Calculus

moustaC veined and raw; and all put on a job. Mrs. Mooney, who had taken 1 11"C B A rectangle with horizontal and vertical sides has one vertex at the origin, one on the positive r-axis, one on the positive yaxis, and one on the line 2x + y =100 . What is the maximum possible area of this rectangle? A right triangle with hypotenuse of 513 inches is revolved about one of its legs to generate a cone. What is volume of the cone of the greatest possible volume