What is the probability that a randomly selected customer likes hot or iced coffee? A.

B.

C.

D

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Consider circle o, where and . m∠bpd °. °.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?