Which of the following demonstrates how to factor x^2-y^2? 2(x-y)
(x-y)(x+y)
(x+y)(x+y)
(x-y)^2

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x