Find the surface area of the cylinder use 3.14 to approximate pi

Can someone me out here and the tell me the greatest common factor

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w