Aconstruction crew is digging a hole. on the first day, they dug a hole 3 feet deep. on the second day, they dug 2 more feet. on the third day they dug 4 more feet. write the sum of negative numbers to represent this situation. find the total sum and explain how it is related to the problem.

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?

Add: (6x^2-5x+3) + (3x^3+7x-8) a. 9x^2+12x-5 b. 9x^2+2x+11 c. 9x^2+2x-5 d. 9x^2-2x+5

Find the measure of angle b in the following triangle