Two lines are guaranteed to be coplanar if a. don't lie in the same plane b. lie in the same plane c. never meet d. are near each other

What are “like terms”? why can we only add like terms?

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?

Solve the formula ax+ by = c for x.