Jason jumped off of a cliff into the ocean in Acapulco while vacationing with some friends. His height, h in feet, as a function of time, t in seconds, could be modeled by the function h(t) = −16t2+16t+480. How long does it take Jason to hit the water?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes

Apudding recipe requires 2/3 of a cup of milk for every 1 3/4 cups of sugar. what is the unit rate of sugar to milk in the pudding recipe?