Answer:
B.
Step-by-step explanation:
5(y - 6) means 'Multiply the difference between y and 6 by 5'.
x = 60°
let the missing angle be = x
Cos x = 8/16
x = Cos-¹ 0.5
no 0.05 is smaller then 0.083
15/4 +6y
See Image below:)
