Tessa bought 4 kilograms of flour. hoow many grams of flour did she buy

Me what is the value of x? showing work would be appreciated - ! : )

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

Which term best describes the association between variables a and b