Answer:
ab-9
Step-by-step explanation:
the product of a and b: a*b
decreased by 9: -9
1 mile=1760 yards. To find how many 100's are in 1760 you divide 1760 by 100. And then there's your answer which is 17.6. So 17.6 football fields are in a mile
Answer:
7,909 ft²
Step-by-step explanation:
If the diameter is 250 ft, that must mean the radius is 125 ft. For this problem, use the formula for area of a sector.

The correct answer is 9/10
$30.50-$17.79 is $12.71. I hope that helps you :)