One student is selected at random from a group of 12 freshman, 16 sophomores,
20 juniors, and 2 seniors. Find the probability that the student selected is:

a)
not a freshman

b)
a junior or a senior

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up