Explain how 2 ones is the same as 20 tenths.

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

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Precalculus question, image attached.