The vertex of the parabola is at (4, -3). When the x-value is 5, the y-value is 6. What is the coefficient of the squared expression in the parabola's equation?
A.2
B.3
C.-3
D.-2

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

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?

What is the mean of the data set 125, 141, 213, 155, 281