Frank keeps his pet iguana in a glass tank that is shaped like a rectangular prism. The height of the tank is 11 inches, the width is 34.5 inches, and the length is 25 inches. What is the best estimate for the volume of the tank in cubic feet?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Extra points! find the missing dimension! need asap

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?