Someone me with this ‼️

“if f(x)=7-2x find f(3)+6

( don’t forget to do both parts, f(3) and then the “+6”)”

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?

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Which of the following values have 3 significant figures? check all that apply. a. 10.1 b. 100.05 c. 120 d. 129