Two questions
3. a sphere has a diameter of 12 cm.
a. find the surface area of the sphere in exact form. (4 points)
b. find the volume of the sphere in exact form. (4 points)
c. what is the ratio of the surface area to the volume in lowest terms. (4 points)

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Which graph represents the equation y =4x