Areal world situation, would be there is a total of 10 bowling shelves that contain bowling bowls. the first shelf contains 5 bowling balls, and each row has 3 more bowling balls. so in the 7th row there would be 28 bowling balls. is this statement correct?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What’s the answer ? use the picture to see the problem