Madison is organizing her bookshelf. she places her favorite book on the first shelf. she puts 2 books on the second shelf and 4 books on the third shelf. she continues by putting 8 books on the fourth shelf and 16 books on the fifth shelf. she has one more shelf left. if this pattern continues, how many books will be on the last shelf? explain how you found your answer.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp