A student flips a coin three times. What is the probability the coin lands tails up exactly two times?

Select the sequences that are geometric.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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