Suppose you earn $6 per hour at your part time job. what will your new hourly rate be after a 2.5% raise.

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?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?