Evaluate the expression x^2 \cdot x^1x 2 ⋅x 1 x, squared, dot, x, start superscript, 1, end superscript for x=9x=9x, equals, 9.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125