Use this spinner to answer questions 7-8. Present answers in decimal form

7) What is the probability of the arrow coming to rest on 8 or 9?

8) What is the probability of getting a number under 4?

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

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation