Can you guys please help me im highly confused

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

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.

An equation where variables are used to represent known values—function notation true or false