PEMDAS
15-(37+8)/3
15-45/3
15-15
0
She'll need to use 14 , 1/4 cups to make 3 1/2 cups
My calculator gave me the answer -43/24. Hope this helps. If its wrong I'm sorry.
<u>Answer (1):</u>
Coefficient of any term means the number multiplied in that term including sign.
is same as
.
Hence required coefficient is 1.
<u>Answer (2):</u>





Hence final answer is 166
<u>Answer (3):</u>



Hence final answer is 