What is 98.86-85.15 show me answers

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.