Students at Mills Middle School are required to work a certain number of community service hours. Students may work additional hours beyond the requirement. How many community service hours are students required to work? Explain

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?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?