i’ll give too I need to pass!

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

For what value of x does 4x = (1/8) x + 5?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.