Subtract the following polynomials.
(3.1x+2.8z)−(4.3x−1.2z)

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

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?