In any rectangle, the area is given by the product of the width and the length.
Since in this case both dimensions are represented by the correspondent function, you need to multiply the function:

Answer:
D
Step-by-step explanation:
You can drive anywhere less than or equal to 30 mph, and it'd be legal
2 pages per hour.
the fractions can be turned to decimals easily, 4/5 is 0.8 and 2/5 is 0.4 . divide those decimals together and you get 2.