You want to install a 1 yd wide walk around a circular swimming pool. The diameter of the pool is 23 yd. What is the area of the​ walk? Use 3.14 for π.

What is the product of the radical expression. (7-2square root) (8+2 square root)

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost