A cone has a height of 12 centimeters and a diameter of 10 centimeters. What is its volume? Use ​ ≈ 3.14 and round your answer to the nearest hundredth.
please help i really need like 6 more questions

What term best describes a line ans a point that lie in the same plane

What is the value of x in the equation 2(x-4) = 4(2x + 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