Which triangle is similar to aabc if sin(a) = 1, cos(a) = v15, and tan(a) = _1?
m
v15
12
24
615
3715
l
v6
n

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

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.