Last one , somebody help me please .

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)

1. write an algebraic expression for the word phrase: the quotient of x and 15 2. write a word phrase for the algebraic expression 5x + 2

There are 5 stacks of huge waffles that each weigh 45 pounds, and a group of people want to eat all of the stacks of waffles. if a person can eat 2 pounds, how many people are necessary to eat all of the waffles? +