The sum of the angles of a triangle is 180°, what are the two unknown angle measures in the triangle below? (We know that one angle is 40°)

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.

A. s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]