a
step-by-step explanation:
she will travel a distance in the range of 3 - 11 miles
x² + 11x + 18 < 0
[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2
solution: (-9, -2)
1 1/7 hope i
8/7 = (1 * 7 + 1) / 7 = 1 + 1/7 = 1 1/7