Answer:
8
Step-by-step explanation:
8+12+4+3+14+1+9+13=64, 64/8=8
Use the formula a = a+b/2h
Answer:
x=8,10if this helps then your welcome if not I apologize
Answer:
m=5
Step-by-step explanation:
c=30m+50
c=20m+100
substitute
20m+100=30m+50
like terms
100-50=30m-20m
50=10m
m=5
