Which expressions are equivalent to -90-60w? 90? 60wminus, 90, minus, 60, w? choose 3 answers: choose 3 answers: (choice a) a {-30}(3+2w)? 30(3+2w)minus, 30, left parenthesis, 3, plus, 2, w, right parenthesis (choice b) b (-9-6w)\cdot 10(? 9? 6w)? 10left parenthesis, minus, 9, minus, 6, w, right parenthesis, dot, 10 (choice c) c -3(30-20w)? 3(30? 20w)minus, 3, left parenthesis, 30, minus, 20, w, right parenthesis (choice d) d (6+4w)\times15(6+4w)×15left parenthesis, 6, plus, 4, w, right parenthesis, times, 15 (choice e) e -20(4.5+3w)? 20(4.5+3w)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb.the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.