Does anyone know what the output is

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.