1. When a cannonball is fired, the equation of its pathway can be modeled by h = -1612 + 128t.
a) Find the maximum height of the cannonball.

Precalculus question, image attached.

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )