Find the circumference of each circle. Leave your answer in terms of a.
11 ft
6 yd

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.