Find 4 1/5 · 7 2/3.

a. 28 2/15

b.28 3/10

c. 32 1/5

d. 32 3/5

What is the equation of the graph below? y=sec(x)-4

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?

Factor and solve to find roots x squared -x - 90 =0