Answer:

Step-by-step explanation:

Answer: Each notebook costs $2.25. (6p = $13.50)
Step-by-step explanation:
You simply have to divide $13.50 by 6 to get the quotient of $2.25. $2.25 indicates the unit rate between the two.
Answer: the surface area is 216cm
Step-by-step explanation:
Answer:
34.576 = 30 + 4 + 0.5 + 0.07 + 0.006