How do you do this to this geometry question?

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

What is not true about kl and mn? what is mn? (show )

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is