book Maths Puzzle Numerical Ability

RE: permutations & combinations
(Bostock & Chandler "Pure Mathematics", Exercise 15e, question 12)

A box contains 10 bricks identical except for colour.
3 red, 2 white, 2 ye

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Please I desperate need your help on the following graphing of each inequality. I really apprecate your help.

1) Y < 1/2 x +2

2) x - 3y < 9

3) Y GREATER THAN WITH LINE UNDERNEATH x - 6

4) x GREATER THAN WITH LINE UNDERNEATH -6 Suppose Jodi invested $10,000, part at 6% simple annual interest, and the rest at 9% simple annual interest. If you received $684 in simple interest after one year, how much did y