Evaluate the iterated integral.​​

Evaluate where D is the figure bounded by y = 1, y = 2, x = 0 and x = y .

Evaluate the double integral , where D is the triangular region with vertices (0,0), (1,9), (9,1).

Evaluate the iterated integral by reversing the order of integration.​

Evaluate the double integral.​​D is bounded by the circle with center in the origin and radius 25.

Find an approximation for the integral.​​Use a double Riemann sum with  and the sample point in the upper right corner toapproximate the double integral, where .​

Find the volume of the given solid.​Under the paraboloid and above the rectangle .

Evaluate the double integral , where R is the region bounded by the graphs of y = (x – 1)2 and y = –x + 3.

Calculate the iterated integral. Round your answer to two decimal places.​​

Find the volume of the solid bounded in the first octanat bounded by the cylinder z = 9 – y2 and the planes ​x​ = 1.