Express the formula V = ar? . H in terms of the height, H. Use that formula to find the height when the volume is 45t and the radius is 3.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).