Circle all the terms that can be combined with 6a

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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