Answer:6cm
Step-by-step explanation:
Sorry, but you did not ask any valid question, so I cannot help you figure out an answer.
The X-intercepts are where the blue line cross the X-axis.
There is a black dot at (-3,0) and (1,0)
The answer would be the 2nd choice.
120 , I think ......................
The last question I don’t see what it asks for. If it asks for the measure of angle A, B, or C. All you have to do is plug 16 into x and do the math.