In an election, ethan got 5 fewer votes than christohper, who got 3 more votes than olivia, who got 4 fewer votes than Ava. How many more votes did ava get than ethan ?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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

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?