Answer:
slope m = (5+1)/(-6+8) = 6/2 =3
Step-by-step explanation:
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Answer:
c
Step-by-step explanation:
The factor of mn+5m-3n-15 is 6m-4n-15.
Answer:
The measure of one angle is
, and the measure of the other one is 
Step-by-step explanation:
Recall that supplementary angles are those whose addition renders 
We need to find the measure of two such angles whose difference is precisely
.
Let's call such angles x and y, and consider that angle x is larger than angle y, so we can setup the following system of equations:

We can now solve this by simply combining term by term both equations, thus cancelling the term in "y", and solving first for "x":

So, now we have the answer for one of the angles (x), and can use either equation from the system to find the measure of angle "y":
