1. The average yards gained per play was 10.56
2. The total amount of yards recorded was 450.8 yards
If you understand what is linear pair, you can see the same in triangle also. A linear pair is a pair of adjacent, supplementary angles. Adjacentmeans next to each other, and supplementary means that the measures of the two angles add up to equal 180 degrees.
The answer is C. y= 3/2 x. You can check by multiplying 3/2 by 3, if you get 7, it is correct
3/18 divided 7/21 =3/18 multiply by 21/7 (we have to flip the second fraction and multiply by 3/18)= 63/126=1/2
So the answer is 1/2