Decimals greater than 7.0 but less than 13.0 use an interval of 0.6 between each pair of decimals

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

What is x3+3x2−16x−48 divided by x−1?

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?