First you have to find the angle B (check attachment)

Then you can find the last angle inside the triangle, which I'll call C

Now you can find angle A

Answer:
The midpoint of points
is
.
Step-by-step explanation:
Given points are
. We need to find the midpoint of the line segment.
The formula of finding midpoints between the point
is

W have points
. And 
Let us plug the value in Equation (1)


So, the midpoint of points
is
.
Answer:
Step-by-step explanation:
(-3,1) and (1,-2)
Slope is m= - 3/4
Answer:
which statements is there meant to be a diagram? ?
Hi, ok all you need to do is use the direct variation formula which is= y/x=y/x so you will replace your numbers by each value which get us to = 3/-6=y/1 so you cross multiply which gives us 3=-6y you divide 3 by -6 and that is the value of y, thank you for reading hope it helps ;)