What’s the unite rate

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way