Which set of ordered pairs represents a function?
{(0, 1), (1,3), (1,5), (2, 6)}
{(0, 0), (1, 2), (2, 4), (3, 4);
{(0, 1), (1, 2), (2, 3), (2, 4);
{(0,0), (0, 2), (2, 2), (2, 4);

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 solution set of the quadratic inequality x^2-5< or equal to 0

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.