In the equation y = 7x, what is the constant of proportionality?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top