8% or 8 cents per dollar.
To find the answer, just divide the extra 32 cents charged by the 4 dollars spent to find the amount per dollar, and you should get 8, or 8% tax.
Answer:
Line D- (4, 1) and (8, 2).
Step-by-step explanation:
The table representing the information is given below:

On the coordinate plane, the x-axis is labeled Number of pencils and the y-axis is labeled total cost in dollars.
Therefore, any point that matches with the (x,y) pair on the table represents the information in the table.
Only Line D matches with the pair (4,1) and (8,2)
Answer: They are all of the above.
Step-by-step explanation: A integer is a whole number, a whole number is a integer and a natural number is a whole number. The definition of a whole number is a number with no fractions, the definition of a integer is a number with no fractions, and the definition of a natural number is a positive number.