The slope of the line that passes through the points (3 , a) and (-2,16) is 7 What is the value of a? ​

I'm confused on this could anyone me and show me what i need to do to solve it.

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.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height