The 20-inch-diameter wheels of one car travel at a rate of 24 revolutions per minute,
while the 30-inch-diameter wheels of another car travel at a rate of 18 revolutions per
minute. what is the ratio of the speed of the second car to that of the first?

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?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.