The variables a through h all represent different numbers. Mentally find numbers that make each equation true. 3/5 x 5/3 = a3 5 ⋅ 5 3 = a

7 x b = 17 ⋅ b = 1

c x d = 1c ⋅ d = 1

-6 + 6 = e- 6 + 6 = e

11 + f = 011 + f = 0

g + h = 0g + h = 0

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?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value