Answer: Shelly will need 6 cups of sugar.
Step-by-step explanation:
Multiply 3 by 1/2
By the law of cosines, the angle

satisfies

which reduces to

which converts to approximately 77 degrees (this can be done my multiplying by 180 and dividing by pi).
The answer would be A: -2.5, 0
Answer:
you need to type the questions out we have no idea what questions there are.
Step-by-step explanation: