Aman is hiking in death valley. he starts at an elevation of 65 feet above sea level and descends to an elevation 30 feet below sea level. how far did the hiker travel?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.