The average time it takes students to get to school each day is 20 minutes. Dr. Mazza conducts a study and from a sample of 20 students, she finds that the average time it takes students is 24 minutes with a standard deviation of 2 minutes. Which testing model would you use to test the hypothesis? a. z-test b. p-test c. r-test d. t-test

Find the maximum value of p= 4x + 5y subject to the following constraints :

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.

Which equation can be used to determine the reference angle, r, if 0=7 pi/12?