Hello from MrBillDoesMath!
Answer:
Choice D.
Discussion:
Substitute x = 9 in the choices
A. when x = 9, x^2 - 6x + 9 = 36
B. when x = 9, x^2 + 16x + 63 = 288
C. when x = 9, x^2 + 14x + 45 = 252
D. when x = 9, x^2 -12x + 27 = 0
Thank you,
MrB
Answer: -2.5,, -0.9,, -1/3,, 1.7,, 27/4
Step-by-step explanation:
sine = opposite / hypotenuse
15
