Answer:
M = rise/run is the formula
Step-by-step explanation:
That's it
You wanna cross out numbers if they can both divide by the same number. then multiply the numbers in the same row together
Since the total measure of all the angles of a triangle is always 180, solve for x with the equation: 3x+1+2x-3+9x=180. x=13. Now plug in x and look for the smallest one, which will be B. 23 degrees.