What happens to the pitch you hear when two sound waves constructively interfere?
A. It increases due to the Doppler effect.
B. It decreases due to the Doppler effect.
C. The pitch does not change.
D. You hear the pitch of the louder sound.

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

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.