Lydia's claims that when she subtracts two negative integers, the result is always positive. is she correct? explain.

I’m which figure is point g an orthocenter

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?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi