Aball is dropped from a height of 30 ft. each time it bounces to 60% of the previous height. what is the total vertical distance the ball has travelled when it hits the ground for the 8th time? (answer to 2 decimal places) a. 102.90 ft b. 73.74 ft c. 117.48 ft d. 118.49 ft

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

These question are hard can you me with answers

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second