Answer: I think A im not sure
hope it helps / give brainlist:)
ANSWER

EXPLANATION
The end points of the segment are:

and

The box represents the midpoint of the two points.
Using the midpoint formula;

We substitute the end points of the line segment to obtain,

This simplifies to:

We convert back to mixed numbers to get,

The correct choice is B
Answer:
The answer is x²-9x+16
Step-by-step explanation:
Answer:
x = 19
Step-by-step explanation:
(5x + 4)° + (x - 2)° + (3x + 7)° = 180°
(5x + x + 3x)° + (4 - 2 + 7)° = 180°
9x° + 9° = 180° → ÷9
x + 1 = 20
x = 20 - 1
x = 19