Which triangle’s unknown side length measures 53sqrt units? a. 6 and 91sqrt (sides of the triangle) b. 10 and 47sqrt c. 34sqrt and 19sqrt d.20 and 73sqrt

What expression is equivalent to 1/2(2+3x-6)

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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?