exam Maths Puzzle Numerical Ability

I have tried this for 2 days and still have not got the answer from the key. Could someone show me how to do this.

Graph each of the following inequalities.

4x+y greater than or equal to 4

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exam Other Question
Solve, expressing answer in exact form.
[(e^x)^3 * (e^x)^2x] / e^5 = 1 Divide the following fraction.
(6p -18)/(9p)divide by(3p - 9)/( p^2 +2p)

I got the answer of 9p^4 + 18P^2
Is this correct?

Thanks for your time.