The quantities x and y are proportional. Find the constant proportionality (r) in the equation y=rx

r = ?

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.