Which of the following is equal to the rational expression when x ≠ 5 or -1? (x-7)(x+1)/(x+1)(x-5)

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

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?