One gas station pumps gas at a rate of 10 gallons per 90 seconds. Another station pumps gas at a rate of 8 gallons per 60 seconds.
Which gas station pumps gas more quickly?

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?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.