Help pls! i’m rly struggling in geometry

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

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

What is the value of x? enter your answer in the box.