Diana usually drives at average rate of 30 mph. If Diana drives with the average rate x mph, how long would it take her to get to Tony's house?
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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?

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?