Please help meee! I will give brainlist to quickest answer !!! What is the equation of this graphed line?

Plz me i need i will give a brain

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

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol