Choose the correct answer. Choose the equation of a line that is perpendicular to the x-axis and passes through the point (1, -2).

a. x= -2

b. x= 1

c. y= -2x + 1

d. y= -2​

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.