Answer:
22n/5-7t/2+2
Step-by-step explanation:
A: 9/40
Hopefully this helps!
C2H2 + 3O2 ---> 2CO2 + 2H2O
0.25
3.5 divided by 14
3.5 ÷ 14 = 0.25
2.64172
hope this helps you
Thanks!