3/5 + 7/8 + 3/10
please help

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Consider the diagram. which line segment has the same measure as st? rx tx sr xs