A region r is shown. Decide whether to use polar coordinates or rectangular coordinates and write f(x, y) da r as an iterated integral, where f is an arbitrary continuous function on r.

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2