What is the future value if $8700 is invested for 11 years at 7% compounded semiannually?

15/16 as a decimal rounded to the nearest hundredth

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute