Domain range
2 6
5 7
6 9
6 10

is this a function?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

What is the area of parallelogram rstu? 21 square units 24 square units 28 square units 32 square units

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.