1. The problem statement, all variables and given/known data 1)A hard rubber ball is dropped from a moving truck with a height of 5 m. The ball rises of the height from which it fell after each bounce. the total vertical distance the ball has traveled at the moment it hits the ground for the eighth time, to the nearest tenth of a meter. answer is 36.6m A tree grows 1.5 m during the first year of planting. durring each subsequent year, the tree grows 9/10 of the previous year's growth. when the growth of the tee since planting is 11.35 m , its age is a)4.8 yrs b)12 yrs c)13 yrs d)15 yrs 2. Relevant equations ar^n-1 a(r^n-1) r-1 3. The attempt at a solution The first question, I not sure how to get the ratio, is it 1? 2) 1.5(1.9)^n-1=11.35 n=4.2 Not sure what i did wrong.. ty..