Math problem 8/3+(-9/4)​

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

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

What describes horizontal cross section of the right rectangle 6m 8m 5m