Stormer company reports the following amounts on its statement of cash flow: net cash provided by operating activities was $40,000; net cash used in investing activities was $14,800 and net cash used in financing activities was $17,400. if the beginning cash balance is $6,800, what is the ending cash balance?

What is the area of the trapezoid shown ?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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