Y=6x^2 -5x+6 ( the first option )
that is a lot of answers though
Answer:
x = 7
Step-by-step explanation:
first subtract 4 from both sides
-3x = -21
divide both sides by negative 3
x = 7
The equation is y = 1/2 x + 13, where x is the number of days, and y is the length of the barrier
