Are 3x + 5 and 2x + 15 + x - 5 equivalent? Explain how you know.

Find the difference (8ab+a+2) - (3ab+6)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?