Write the equation y - 4x = -9 in slope-intercept form?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?