3÷x-1-3÷x+1=4 solve this equation in in quadratic equation

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)