Answer:
-9
Step-by-step explanation:
You have to plug 8 into the formula for x. f(8) = -2(8)+7 = -16+7 = -9
Multiply 3x by -6, it gives you -18 so I'm going to say D
Answer and working out attached, hope this helps
15/100=0.15
60*0.15=9
60-9=$52 after discount
Right triangle
Sin A = Opp./ Hypo. = BC/AC
Cos C = Adj./Hypo. = BC/AC
Answer is D.
Sin A = Cos C
