A square red rug has a yellow square center. The side length of the yellow square is x inches. The width of the red band that surrounds the yellow square is 2 in. What is the area of the red band?

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

What are the domain and range of the function f(x)=2^x+1

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?