Step-by-step explanation:
the first one is equivalent : Adding property is applied
the second one is not equivalent.
Answer:
Area= b*h
- 9*5=45km^2
Step-by-step explanation:
Answer:
Step-by-step explanation:


Convert equation to standard form

-63. PEMDAS Tells you to add before subtracting
Answer:
x=12
Step-by-step explanation: