What is the mid point of 86.40 and 86.39

Find the domain of the following expression: 1/(√x)-2

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet