P(n)=4n-2; find p(4n)

i don’t know how to solve this

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?