(HELP ITS JUST A Y ILL MARK

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n