Mei works as a tutor during the school year. she charges her next door neighbor $9 an hour, which is a 40% discount from her regular hourly rate. what is the hourly rate, h, mei charges before the discount?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

What is r i 4.5+10r=-6.5 with work pls

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?