What is 0.12__ as a fraction the lines go above the number

Could answer every question with steps

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.