Which equation is correct regarding the measure of 21?
om21 = {(2-0)
o mk1 = {(a + c)
me1 = 2(0-0
o me1 = }(b + c)

The system of equations graphed below has how many solutions? y = 2x + 2

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

One side of a rectangle is 7 centimeters shorter than six times the other side. find the length of the longer side if we also know that the perimeter of the rectangle is 266 centimeters.