D would be the answer.Since you are adding the sum first hence the parentheses.
If the highest number is 8 then the answer I think would be 1/8.
A triangle has three sides and a pillow has four
The answer would be 7 inches i believe?..
Answer:
or 
Step-by-step explanation:




For sin θ = 0.5, the reference angle is θ = 30 deg.

or 