What is the Domain:
DONE

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.