A tree is 4 1/2 feet tall. It is expected to grow by 1 3/4 feet per year.
At this growth rate, how many years will it take for the tree to have a height greater than 40 feet? Enter the
answer in the box.

Use the graph of the sine function y=2sinθ shown below

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.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.