14. T(4, 1), U(3, -1), X(-3,2), Y(-2, 4)​

Can someone me and plz do the problem

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Find the value of the variable and the length of each chord for #5 and #6.