100 POINTS BRAINLIEST IF CORRECT Mario's school bus drove forward 225 feet and then went backward for 70 feet. Which of the following statements about the bus are true? Select all that apply.
A. The total change in position is represented by a negative number.
B. The total change in position is represented by a number with a magnitude of 155 feet.
C. The position of the bus is represented by the expression 225 - 70.
D. The direction is represented by a positive number.