Solve. 3
b=-a
a + b = 21
a = 37
a =
a = 20
a = 12
b = 9
a = 20
b = 11
b = 15
1
b = -16

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

What is the measure of angle afe? 79 81 91 99

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?