Ralph spends 15 1/3 hours per month playing tennis. how many hours does he play tennis in a year? (there are twelve months in a year.)

a. 164
b. 182 2/3
c. 184
d. 164 1/3

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Find the area of the unshaded square