Shen earns $9.60 per hour at his part-time job. last month, he worked 7.25 hours the first week, 8.75 hours the second week, 5.5 hours the third week, and 6.75 hours the fourth week. shen puts half of his paycheck inthe bank every other week starting with the first. how much money did shen have spend from his 4 paychecks? show your work.

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?

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong