Which of the following vectors are orthogonal to (-1,3)? check all that apply.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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

Iam at home. /: i am playing video games. translate the following statement into symbolic form.