Answer:
ok so.....
1. your variables in math sentence number one is (b) your coefficients are (3) and your constant is -5
2. your variables are (a,d,h) you have no coefficients in this math sentence and you constant is (-7)
3. your variables are (m,n,k) you have no coefficients in this math sentence, and your constant is -5
Step-by-step explanation:
lmk if I helped at all!