1/2 to the 3rd power +3/2÷2/3 show work

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20