The half-life of uranium-235 is 700 million years. If there are 2000 g of uranium-235 in the original sample, what happens after 2100 million years have passed? Select all that apply.

A.
One half-life has passed.

B.
500 g of the original sample remains.

C.
Two half-lives have passed.

D.
250 g of the original sample remains.

E.
125 g of the original sample remains.

F.
Three half-lives have passed.

ancdotas de la vida real This graph represents an endothermic reaction. What does it show about the potential energy of reactants and products? Abuzua nunuad in Reaction progress A. The comparison of potential energy depends on what the reactants and products are, B. The potential energy of the products is greater than the potential energy of the reactants C. The potential energy of the reactants equals the potential energy of the products D. The potential energy of the reactants is greater than the potential energy of the products, Which of the following statements about griot music is accurate?Group of answer choicesGriots had no stringed instruments, only drums.Griots used a stringed instrument, a wooden instrument like a xylophone, and a small flute-like instrument. Please answer I keep posting the questions and Im receiving no help. Answer either or both the questions. Any help is highly appreciated. Is calling a human a guide dog figurative language and why? What does the phrase Youd have to be blind to get lost in this place mean? Will give BRAINLIEST! Brainlest! PLZ PLZ PLZ DO IT! I USED UP ALL OF MY POINTS! :(Refer to the Newsela articles "Alas, Shakespeare Won't Be Taught in This Class" and "Opinion: As World Changes, Education Must, Too."Which statement accurately compares the two articles? A) The two articles explore the relationship between education and economic success.B) Both describe how education systems prepare students to enter the workforce.C) Both discuss changes to education that would improve the experience for students.D) The two articles use quotes from educators with differing points of view. ABC is a right triangle. calculate the length of side BC (the hypotenuse) Describe 2 ways the printing press changed Western Europe. Select all the expressions that are equivalent to 25(15 20d + 5c) What is the major function of the legislative branch of the government?A. directing foreign policyB. directing national defenseC. creating and modifying lawsD. judging court casesE. maintaining public spaces 17. 53 A small grinding wheel is attached to the shaft of an electric motor that has a rated speed of 3600 rpm. When the power is turned off, the unit coasts to rest in 70 s. The grinding wheel and rotor have a combined weight of 6 lb and a combined radius of gyration of 2 in. Determine the average magnitude of the couple due to kinetic friction in the bearings of the motor. nope it y nopelkhjsfd glkjvbh formal equilibrium is another word for which thpe of balance? importance of pre visiting an area of field of study BAK Corp. is considering purchasing one of two new diagnostic machines. Either machine would make it possible for the company to bid on jobs that it currently isnt equipped to do. Estimates regarding each machine are provided below. Machine A Machine B Original cost $78,200 $182,000 Estimated life 8 years 8 years Salvage value 0 0 Estimated annual cash inflows $19,800 $39,600 Estimated annual cash outflows $5,130 $10,180Calculate the net present value and profitability index of each machine. Assume a 9% discount rate. (If the net present value is negative, use either a negative sign preceding the number eg -45 or parentheses eg (45). Round answer for present value to 0 decimal places, e.g. 125 and profitability index to 2 decimal places, e.g. 10.50. For calculation purposes, use 5 decimal places as displayed in the factor table provided.) Machine A Machine BNet present value Profitablitly index Machine A Machine B Net present value Profitability index Which machine should be purchased? How does this people survived after the difficulties they are facing? A cube shaped box with 9 centimeter edges is usedfor shipping glass figurines. What is the surfacearea of the box?A. 54 in2B. 108 in2C. 324 in2D. 486 in y=13 is a solution to the inequality y+4 NO LINKS what is the answer?? Use the drawing tools to form the correct answers on the graph.Consider this linear function:y = -23 5.Plot all of the ordered pairs for the values in the domain.D: {-6, -5, -2,0, 1} Select the correct answer. How does understanding the characteristics of public speaking affect how you view a speech? A. It helps you understand the purpose of the speech. B. It teaches you about who the speaker is. C. It helps you determine how effective the speech is. D. It allows you to take better notes on the speech. E. It helps you become more like the speaker.