Answer:
23
Step-by-step explanation:
5z^2-7z^4
Answer: 3.5 pounds
3 s + 7 h = 32 s = shoes h= hand grenades
6 s + 2 h = 22 Multiply first equation by -2 and add to second equation to get :
-12 h = -42
h = 3.5 pounds
sorry if this was late
