A process is normally distributed with a mean of 10.2 hits per minute and a standard deviation of 1.04 hits if it randomly selected minute has 12.9 hits would the process be considered in controller out of control

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

What is 140% of 25? because i need