Not good with trig and geometry! will mark amanda and jeremiah are standing on the same side of a large lake. they are separated by a horizontal distance of 4000 ft. both amanda and jeremiah can see a helicopter that is directly above the horizontal distance between them. amanda’s angle of elevation to see the helicopter is 60° and jeremiah’s angle of elevation to see it is 30°. what is the distance between jeremiah and the helicopter?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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?