Find the value of c: 4(c-6)/c-7 = 9/2

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Can someone me and plz do the problem