Select the lines that represent functions.

Answer ASAP please

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up