If y = 7.2 when x = 10, what is the value of x when y = 20? (y varies inversely as the square of x.)

A. 14.4

B. 6

C. 10

D. 20

Which numbers are greater than 5*10-6? Choose all answers that are correct. a. 9*10-8 b. 7*10-6 c. 5*10-4 d. 4*10-6 e. 8*10-9

A fountain has two drainage valves. With only the first valve open, the fountain completely drains in 4 hours. With only the second valve open, the fountain completely drains in 5.25 hours.

4) Oceanside Bie Rental Shoo charges 17 dollars plus 6 colors an hour for renting a bike, Alyssa paid 58 dollars to rent a bike. How many hours did she pay to have the bike checked out?

Sam has one-half as much money as Liz. Liz gave Sam $9. Now Sam and Liz have the same amount. How much do Sam and Liz have uní all

True or False: Diagonals of a trapezoid are congruent.

What is 17,628 divided by 452?

Make d the subject of the formula a=cd

What is 5x-9=7x+6-2x

A regular pentagonal prism has a height of 12 in. and base edge length of 8 in. Identify its lateral area and surface area. L = 576 in2; S = 700.2 in2 L = 480 in2; S = 590.1 in2 L = 480 in2; S = 700.2 in2 L = 576 in2; S = 590.1 in2

An uncooked gingerbread cookie is y centimeters long. After it is baked, the length of the cookie increases by 25%. Which expression best represents the new length of the cookie? A. 0.25y B. 0.75y C. 1.25y D. 12.5y