What is the minimum sample size needed to be 80% confident with a 3.9% margin of error?

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

Are the corresponding angles congruent? explain why or why not.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x