Which of the following statements best describes why the given expression is not simplified?

8a(a^2-3a)+3

a.

like terms have not been combined.

b.

one or more monomials have not been distributed.

c.

one or more monomials have not been multiplied.

d.

both statements a and c are reasons that this expression is not simplified.

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