Using the figure below write an algebraic equation that represents relationship of the area as a product equal to the area as a sum. PLEASE I NEED HELPP

Can some one me, i’ve been asking for so long

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.