j less than 65, as an algebraic expression, j < 65j < 65 j − 65j − 65 65 − j65 − j 65< j65< j subtraction subtraction

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.