Anna opens a new savings account with $500 deposit. She makes regular deposit. Shes makes regular deposits of $50 each week. Suppose she makes a one-time withdrawal of $75. Which TWO expressions represent the balance of the savings account after x weeks?​

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