What's the answer when you have 5 times 3?

What is the perimeter of square abcd? units units 28 units 37 units

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?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp