Divide 45 by 9. This leaves you with 5 in the denominator of your fraction. Next, cancel out the x^5 factors completely. They disappear. Next, divide y^16 by y^4. You'll get y^12. The first answer is the correct one.
Answer:
the answer is 406 L times H times W
1 yard = 36 inches
so 720 inches = 720/36 = 20 yards.
Is there a picture combined to this