Answer:
The answer to your question is letter B.
Step-by-step explanation:
The correct answer is letter B because both Copper and Iron as reactants have an oxidation number of zero and when they have reacted their oxidation numbers would be different from those.
A redox reaction is a reaction that involves a transfer of electrons from one atom to another and the oxidation numbers of the reactants are different from the oxidation numbers from the products.
Answer:
2x + 3 = 9
Step-by-step explanation:
Three more than twice a number is nine
Twice a number would be 2x
where x is the number
Three more would be + 3
And is means equal sign or “=“
Answer:

Step-by-step explanation:
This question is asking you to insert two equations, f(x) and g(x), into the equation g(x) - f(x). This will lead to the equation below.

Now we can solve for the equation.

You forgot to put the options and the rest of the equation
Answer:
midpoint m= <u>(</u><u>x1 </u><u>+</u><u>x2</u> , <u>y1 </u><u>+</u><u> </u><u>y2</u><u>)</u>
2. 2
Step-by-step explanation:
M =(<u>0</u><u>+</u><u>2</u><u>. </u>, <u>0</u><u>+</u><u>2</u><u>)</u>
2. 2
M=(1,1)