A rectangular box with an open top has a length of x feet, a width of y feet, and a height of z feet. It costs $1.80 per square foot to build the base and $0.55 per square foot to build the sides. Write the cost C of constructing the box as a function of x, y, and z.

Name the most appropriate metric unit for each measurement like a length of an carrot

Precalculus question, image attached.

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?