Answer:
This is a question you should know in trig.
You should search up how to solve for simple trig functions
The cos of 60 degrees is 1/2 just because you asked
Left
because -8.85<8.8, small numbers goes to the left while larger ones go to the right
The product is -10y² -19y +15.
if you are trying to work out -3/4 - (-1/4 - 1/2) then the answer is 0
