He can make 2 batches of cookies. I'm not sure about the leftover cups because you wrote sugar twice
Fifteen and sixty two thousanths
13 and 2, I think that is the only one left.
Cos(68)=z/24
Z=24cos(68)
Find the answer by the calculator
Second question,
Cos(x)=16/34
X=cos^-1(16/34)
Use calculator