A50 foot ladder is placed at 30 feet away from the building in order to reach the 3rd floor of the building. how high is the 3rd floor?

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.

How do you determine if an ordered pair is a solution to a given equation?

Y=21.95x+10 y=22.45x solve by substitution