Answer:
A
Step-by-step explanation:
∠ AOC = 90° and
∠ AOB + ∠ BOC = ∠ AOC , that is
x + 8 + 2x = 90
3x + 8 = 90 ( subtract 8 from both sides )
3x = 82 ( divide both sides by 3 )
x = 
Then
∠ BOC = 2x = 2 ×
=
≈ 54.67° ( to 2 dec. places )
The answer is that there are 36 cupcakes and 16 cookies
2x+4 + 10 = 3x + 1
2x - 3x = 1 - 13
-x = -13
x = 13
AC = 2(13) + 4 + 10 = 26 + 14 = 40
answer
<span>a. 40</span>