Answer:
7/6
Step-by-step explanation:
the original line has a slope of -6/7, so the line perpendicular is 7/6. we swap the numerator and denominator, and if the starting slope is positive, the perpendicular slope would be negative, and the other way around.
22
22+5= 27
27/9=3
You need to use appropriate formula for the surface area. You may find formula in your mathematics book.
What are you stuck with
A