exam Maths Puzzle Numerical Ability

Parabola: focus at (-3,0); directix the line x=3

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exam Other Question

2/3x+1/2y=2

4x+3y=12

This system of equations is
a. non-linear
b. inconsistent
c. dependent
d. consistent Please Help. I am no good with graphing
Solve and graph the solution set:
a)5y + 3 < -2 or y - 7 ></u> 0
b) x - 9 < 3x - 4 < x + 8
PLEASE HELP!!!!!!!!!