13+14=27
84-27=57
57 runners finished the race.
Ax² + bx + с = 0
_____________
-3(1+6x) = 14 - x
-3 -18x = 14 -x
-18x +x = 14 + 3
-17x = 17
x = -17/17
x = -1
Therefore x is equal to -1.
Answer: Graph A
We can determine the x-intercepts from the equation. X-intercepts are x=-2 and x=-7 which is what Graph A shows.
13.33 is the answer because you multiply them and them add what u got
