79% of a university's freshman class are majoring in Engineering. If 2765 students in the freshman class are Engineering majors, how many students are in the freshman class?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°