Jessica is five years older than her sister Jenner. Jenner tells her sister there in five years, she will be as old is Jessica was five years ago. If Janice age SX, which equation represents the situation? How many solutions does the equation have?

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

Answer question above and explain each step : )

Acircle has a circumference of 7.850 units. what is its radius?