Simplify the following.
71=
40 =
6-1 =

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

What is the missing step in this proof ?