Suppose your class sells gift wrap for $4 per package and greeting cards for $10 per package. your class sells 205 packages in all and recieves a total of $1,084. find the number of packages of gift wrap and the number of packages of greeting cards sold.

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Prove that quadrilateral is a rhombus.

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π