Answer quick pls

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate