Elspeth knows that Pi times r almost-equals 9.42 centimeters. What would she need to do to find the circumference?

Which choice represents the sample space ,s for this event

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.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.