Answer i will give 30 points!
which expressions are equivalent to z + (z + 6) z+(z+6) ?
choose all answers that apply:
a.) (z+z) + (z+6)(z+z)+(z+6)
b.) (z+6) + 6(z+6)+6
c.) 2(z+3)2(z+3)

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