Kelsey did the following division problem. Her teacher says that the quotient she found is wrong. − 2 5 6 ÷ 1 1 3 − 17 6 ÷ 4 3 − 6 17 • 3 4 − 6 × 3 17 × 4 − 18 68 − 9 34 A. Identify what Kelsey did wrong in her calculations. B. Find the correct quotient, showing all of your calculations.

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

Which of the following is the result of expanding

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.