Answer:
It is A
Step-by-step explanation:
If you look at it ecch one is moving by 4. -
5+4= -1
-1+4=3
7+4=11
Answer:
C
Step-by-step explanation:
-2x - 6 > x + 9
-3x > 15
x < -5
Answer:

Step-by-step explanation:
Given


Required
Determine 
In functions:

This implies that:

Substitute values for r(x) and s(x)



Substitute 4 for x


Answer:
a.
Step-by-step explanation:
by elimanation,cimparison or substitution you wull get the value of x=-60/17 and y=6/17