Please help due today. Which equation does not resent a linear function? Show work or evidence

A. Y=1/2x+2
B. Y=x^2
C. Y=2x
D. Y=x-2

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.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)