A ball 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)

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the