Which of the following statements regarding PERT analysis is NOT true? Only critical activities contribute to the project variance. Project standard deviation is the sum of all critical activity standard deviations. The most likely time is different from the expected activity time. Each activity has three estimates of its duration. Project variance is the sum of all critical activity variances.

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done