Answer:
<h3>If you had a line of x = 7, (or any time you have an equation where x equals a number) then you would have a vertical line. In every vertical line, the slope is undefined. In equations of lines that are in the format of y = mx + b, the slope is represented by the "m".</h3>
Step-by-step explanation:

Answer: -6
Step by step:
2x + 3(8) = 12
2x + 24 = 12
2x = -12
x = -6
The answer is a because it has a negative slope and to find it i did rise over run it rises one block for every four it goes over
3,000+4,000+1
Three hundred four thousand, one