What are the steps that i have to do to get to missing factor

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

There are 16 tablespoons in one cup. which table correctly relates the number of cups to the number of tablespoons?