Please help! I and my group are having trouble with this. PLEASE ANSWER WITH EXPLANATION!

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

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?

What is the benefit of converting measures in a ratio to the same unit