Answer:
graph W
Step-by-step explanation:
Hi there! The answer is 12.6
First we need to change the percentage into a decimal. To convert this percentage, we have to divide it by 100.

Hence, to find 3 percent of 420, we must multiply 420 by 0.03. We get the following:

~ Hope this helps you!
The question asks us to find the value of

such that

. First, we subtract

from both sides, which gives us

. Now, we need to express the equation as

and

. When we do this, we get

. After simplifying, we get

. All that's left now is factoring and simplifying, giving us

as an answer. Hope this helped and have a phenomenal day!
You will need the graph for this questions