You have $1200 to invest in an account and need to have $1900 in one year. What interest rate would you need to have in order to reach this goal if the amount is compounded quarterly? PLEASE HELP I NEED THIS

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

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?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air