If a varies directly as m and n^2 and inversely as y^3, and a = 9 when m = 16, n=9, and y=3, find a if m=3, n=4, and y = 5.

Rename mixed numbers before you can subtract are what

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?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41