PLEASE HELP! GIVING OUT BRAINLIEST TO CORRECT ANSWERS

How many $20 bills do you need to have to make $280

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?

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180