The deepest part of the mariana trench (the deepest trench in the world’s oceans) is at an elevation of -11.033 kilometers. the elevation of the deepest
part of the atacama trench is -8.065 kilometers. what is the net change in elevation from the atacama trench to the mariana trench?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?