Number 12 help please it’s a short answer

Reactants: aluminum and copper chloride.

Products: copper and aluminum chloride.

Step-by-step explanation:

Let's consider the following equation.

aluminum + copper chloride ⇒ copper + aluminum chloride

Using chemical symbols, this would be:

2 Al + 3 CuCl₂ ⇒ 3 Cu + 2 AlCl₃

The substances to the left of the arrow are the reactants: aluminum and copper chloride.

The substances to the right of the arrow are the products: copper and aluminum chloride.

42

step-by-step explanation:

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x