The cost of jacquie's gym membership is $20 per month. she gets a 10% discount of the monthly cost in any month in which she refers a friend who also becomes a member. how much does jacquie save in a month when one of her friends joins the gym?

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?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?