Combine the like terms z2 + z + 4z3 + 4z2

Sketch one cycle if the cosine function y=2cos2theta

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

The product of (7x-2) and (20-3x)/4. when x=4