Answer: If you have a positive and a negative, there is one dash left over, and the answer is negative.
Answer: 2d
Step-by-step explanation:
You multiply the cost by the amount d, to find the total cost. Since it wants an expression, there is no equal sign.
Answer:
The answer is 3.2
Step-by-step explanation:
Answer:
The answer is B
Step-by-step explanation: