Can someone please solve this MATH and Explain how you got the Answers? This is very confusing and I need help!!! I'll Mark you Brainliest and give you 100 POINTS

Find the area of the regular hexagon if a side is 20 cm.

Which graph represents the function g(x) = |x + 4| + 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?