132 m/s
Explanation:
Average speed is defined as the distance traveled divided by the time of travel, so in your case
v
=
528 m
4 s
=
132 m/s
It's 21 square units. If you map it on a complex plane (x-axis is real numbers, y-axis is imaginary numbers) you'll see that the sides of the rectangle is 3 and 7 which multiply to 21.
Answer:
Factors for 8: 1, 2, 4, 8
Factors for 9: 1, 3, 9
So 8 has more factors