How do sides angles and vertices you name a polygon

Ineed to know the answer to this algebra question.

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry