(06.04 mc) find the area of the following shape !

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?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Identify the number as a rational or irrational.explain. 127