Solve the system by the method of substitution.
a. 
b. 
c. 
d. 
d.
Mathematics
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Solve.?6x - 9? ? 8
A. 
? x ? 
B. x ? 
or x ? 
C. x ? 
D. x ? - 
or x ? 8
Mathematics
Write interval notation for the graph.
A. [2, 6] B. (2, 6) C. [-6, -2) D. [-6, -2]
Mathematics
Determine whether the relation is a function.{(-6, -7), (-6, 9), (-1, -9), (3, 4), (9, 4)}
A. Function B. Not a function
Mathematics
Find the slope of the line.y = 2x
A. 1
B. 2
C. 0
D. 
Mathematics