The solution set is answer A.
Answer:
-3072
Step-by-step explanation:
54 buttons ÷ 9 button cards = 6
She should buy 6 cards of buttons.
SOH,CAH, TOA so it would be TANGENT since it would be Opposite over Adjacent. Tan(15) = 9/a put Tan(15) onto your calculator it would be .267949 round that to .27 = 9/a cross multiply
a = 33.588. C is the correct answer.