Thirty randomly selected students took the calculus final. if the sample mean was 95 and the standard deviation was 6.6, construct a 99% confidence interval of the mean score of all students.

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

20 points! how many rotations does each tire make after traveling 600 feet? round your answers to the nearest whole number. the small tire would make about how many rotations? the large tire would make about how many rotations. small tire radius = 9in. the big tire radius = 30in.

An object moves according to the law s = t2 + 5t - 8. what is the average rate of change of s with respect to t in the interval t to (t + △ t)? a. 2t + 5b. 2t + 6c. 2t + (△t)2 + 5△td. 2t + △t + 5