Find out how much the resistance of a copper wire (α = 3. 9 × 10–3/k) increases (in percentage) when its temperature increases from 20ºc to 100ºc?.

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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

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?