Which of the following expressions represents the value, in dollars, of a certain number of pennies, p, and nickels, n? 0.01p + 0.05n 0.05p + 0.01n 0.06p + n 0.06pn will mark branliest

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

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Simplify using positive exponents only.