Three questions, ! will give brainliest to correct answer!

1) Sine = opp/hyp

Sin angle B = X/Z
= 18/ 82
=9/41

2) Cosine = adj/hyp

Cos angle B = Y/Z
=8/10
=4/5

3) Tangent = Opp/Adj

Tan angle B = X/Y
=10/24
=5/12

Hyp = hypotenuse
Adj = adjacent
Opp = opposite

Subtracting is the opposite of adding

Yes. there is a constant ratio of number of calories to gram of protein.12/3=24/4=32/8=44/11=4