Answer:
D 80
Step-by-step explanation:
step by step
350 +(-350)=0 + 5h = 750 + (-350) =400
5h/5 =400/5=80
h=80
Answer:
-1
Step-by-step explanation:
Answer:
8a^2+a-7
Step-by-step explanation:
Equivalent ratio means equal in value
18:4 = 9:2 = 36:8
Answer:12
Step-by-step explanation: