A square has a triangular hole in it. What is the area of the figure?

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? use the equation h = −16t2 + 64t + 4.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?