The profit, P, of a T-shirt company is found by subtracting its costs, C, in dollars, from its revenue, R, in dolllars, using the formula P=R-C. Revenue is given by the equation R=11x-100, and costs are given by the equation C=3x+250, where x is the number of T-shirts sold. Which of the following expresses the company's profit in a simplified form? show work