8.

A model of a rectangular stove top with four circular burners is shown. The side lengths of the stove top and the diameters of the burners are labeled.

Which measurement is the best estimate of the area in square inches of the stove top that does not include the area of the burners?

108 in.2

492 in.2

420 in.2

528 in.2

...

The best estimate of the area in square inches of the stove top that does not include the area of the burners would be 420 in.2. This can be calculated by finding the area of the entire rectangle and then subtracting the combined area of the four circular burners.