book Maths Puzzle Numerical Ability

how do you solve inequalities such as:
1/4x - 1/3>-5 and 1/2x<2

and then how would you graph this

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book Other Question

SUPPOSE EACH ORDER PAIRS ARE FOR THE SAME DIRECT VARIATION. FIND EACH MISSING VALUE.
A. (-1,2)AND (4,Y)
B. (X,-4) AND (-9,-12)
identify the number of terms in each algebraic expressions
1.3xcubed 4
2.-42+x
3.xsquared 2+2xy+y squared 2
4.x+1
5.(m+n+p)squared 2
6.(a+b)
7.(x-y)(x+y)
8.4m-5n+3p+21
9.2