What is the radius of a circle with an area of 400 cm squared

Find the area and the circumference of a circle with radius 4yd. Use the value 3.14 for π, and do not round your answers.

We want to know how to solve this math problem. Frannie puts 2/3 of her music collection on a MP3 player. While on vacation she listened to 3/5 of the music on the player. How much of Frannie's music collection did she listen to while on vacation?

Find an equivalent fraction for the decimal number. In your final answer, include all of your work. _ 0.66

If f (x) = 2x-4 find f (q+1)

Find the quotient. Write your answer in scientific notation (3.6*107) : (7.2*107)

Can a cube with a base area of 121 square inches fit into a box that has a volume of 729 cubic inches

Solve 5 (x+3) - 2=2-x+9

Round 328 to the nearest ten

A health club surveyed 175 members about which types of equipment they had used in the past month. Of the 175 members, 117 had used treadmills, 89 had used stationary bikes, and 53 had used both types of equipment.

Which system of equations is equivalent to this system? 4 (x+y) = 2x+12 4x+y=x+8 A) 6x + 4y = 12 3x + y = 8 B) - 4x + 4y = 48 3x + y = 8 C) 4x + 4y = 48 3x + y = 8 D) 2x + 4y = 12 3x + y = 8