It is too confusing for me

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

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