Answer:

Step-by-step explanation:
Factor 

Rewrite Equation

Answer:
The slope of the line is 2
Step-by-step explanation:
y=2x+1, compare it to the slope intercept form of a line, y=mx+c, the slope will be 2
Answer:
the coefficient is 12
Step-by-step:a numerical or constant quantity placed before and multiplying the variable in an algebraic expression explanation: