Help plz. Show work. Find area of composite figure

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

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.

What is the 12th term of b(n)=-4-2(n-1)