exam Maths Puzzle Numerical Ability

Please help me with these problems.I am having a hard time.How do you solve the equations?

Graph each the following lines.

1) y= -2/3x -1

2)y= 3x

3) x= -2

4) y= -5

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exam Other Question

If Gina leaves now and drives at 66 km/h, she will reach Alton just in time for her appointment. On the other hand, if she has lunch first and leaves in 40 minutes, she will have to drive at 90 km/h to make her appointment. How far away is Alton? what is the domain of the following function, and how do you get it?
f(x)=/3x-2/