(1 point) find the mass of the region (in cylindrical coordinates) r^3\leq z \leq 1, where the density function is p(r,\theta, z)=3z.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer