What's -56 divided by 12

What values of c and d make the equation true?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)