What information is missing? a parking structure has 3 levels. there are 47 cars on the first level and 61 cars on the third how many cars are on the second level

Bring the fraction a/a-4 to a denominator of 16-a^2

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?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5