Find each product
(x + 4)(2x2 – x+8)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1