The length of the rectangle is three times its width. what is the width if the perimeter is 76 inches

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?