What are some strategies to determine if a expression is equivalent

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

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy