Need this answer really quick

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c