I need this ASAP. On a farm there are 100 total legs on people and animals. Each cow and horse has four legs, and each person has two legs. There four more the ten times as many cows and horses than people. How many cows and horses, and how many people are there.

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

Given the equation negative 4 square root x minus 3 equals 12

Can someone plz me with 11,12,13 plz show work