Answer:
B
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given


The given system is
can be represented by

The given system is consistent when determinant of A is not equal to zero



i.e. system is consistent for all value of k except 

Answer:
Step-by-step explanation:
Use the slope formula
(x2-x1)/(y2/y1)
substitute the values
(1-10)/(9-7)
solve
-9/-2
simplify
9/2 or 4.5
Answer:THE CORRECT ANSWER ISSSSSS x=25
mb=65
mc=50
If you use substitution the should be answer 30