What is the equation of a line, in y=mx+b with y-intercept of (0,5) and a slope of -2/3

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

Which one is the correct answer, and why?

Determine the area of a triangle with (see picture below)