Plot the image of point D under a dilation about the origin (0,0) with scale factor of 3

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

1: 4 if the wew 35 surfboards at the beach how many were short boards?

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