Please help me with this math question I'm desperate

Which of the binomials below is a factor of this trinominal? x^2-13+30

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.