Josey got an answer of 167r4 for 505÷3.explain and correct josey's error. some one me out.

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Simply 8x squared + 5(7x squared- x) - 2x =

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area