My sister is 12 years old. My brother says that his age minus twelve is equal to my sister's age. How old is my brother? Enter an equation, using as your variable, to find how old my brother is.

The equation is

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

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.