Are the triangles similar or not help

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr