The volume of a rectangular prism is given by the multiplication of its three dimensions: if
are the width, height and length of the prism, the volume is

So, in your case, you have

Answer:
23 tables were used that day at lunch.
Step-by-step explanation:
203 - 19 = 184
184 ÷ 8 = 23
Answer: x^2+5x+6
Step-by-step explanation: