Answer:
<h2>A</h2>
Step-by-step explanation:
la recta:
(*)
P=(xo,yo)

substituindo:

Seja P=A=(xo=1,yo=3), utilizando a formula (*)

The linear function should be y=2 i apologize if i am wrong
The <span>metric unit of weight.</span>
Acute: anything less than 90 but greater than 0
so, m<CAD
right: angles at exactly 90 degrees, so m<AEC,
and obtuse angles are anything greater than 90 but less than 180 degrees,
so CDA (you can tell by the picture that it is bigger than 90- 90 degrees is exactly perpendicular)