Betty has several of the standard six-sided dice that are common in many board games. if betty rolls one of these dice, what is the probability that: she rolls a three

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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

Express -5 2/5 as an improper fraction.