The triangle shown is rotated 90° counterclockwise about the origin. What are the new coordinates of point A?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Find the root(s) of f (x) = (x- 6)2(x + 2)2.