Answer:
C. $18.50.
Step-by-step explanation:
We have been given that Kyle’s bank statement shows a balance of –$18.50. We are asked to determine the magnitude, or size, of the debt in dollars.
We know that the magnitude of a negative number is absolute value of negative number.

Since absolute value of a negative number is opposite of the number.

Therefore, option C is the correct choice.
Answer:
Q + S = 360 - 55 - 45 = 260
Q = S
=> Q = 260/2 = 130
C is correct
D
- Harvard university professor