The first equation is

The second equation is

If you sum the two equations you'll cancel y:

And since the sum must be 11, we have y=9.
Answer:
m=

Step-by-step explanation:
Slope of a line is the co efficient of x in the given line.

(11*5)+(4*10)=95
11+4=15
Both are equal to the constraints of the word problem and there for justified.
Answer:
Its c
Step-by-step explanation: