<span>y = 5x + 3- slope-intersept form
</span>
1 gram = 0.00220462 pound
Convert:
0.00220462 × 800 = 1.7637
800 grams = 1.7637 pounds
1) it costs

so is D
2) the amount of the discount is -30%

so is A
3) -0.3

so is B
4) Chad paid 0.7

so is C
Let's put this in terms of x:
1.97+x = 5
x=5-1.97
x=3.03
Therefore, the blank is $3.03
First Play: loses 5 yards ( -5 )
Second Play: loses 15 yards ( -15 )
Third Play: gains 12 yards ( +12 )
-5yd + (- 15yd) + 12yd
= -20yd + 12yd
= -8yd