Jason and david went hiking at different times. jason is currently 54 feet above sea level while david is starting at 11 feet below sea level. what is the difference in their elevations? (hint: use the distance equation or draw a number line.

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125