book Maths Puzzle Numerical Ability

Simpliy: w to fourth power over w to second power a) w to 1/2 power b) w to eighth power c) w to sixth power d)w to second power

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book Other Question

How do you find the equation of a line from a few points?

Q: Find the equations of both lines.

The solutions of line m are (3,3), (5,5), (15,15), (34,34), (678,678), and (12
2 rockets are launched. the first one travels 9000mph. 15 minutes later the second is launched at 10000mph. What is the distance at which both rockets are an equal distance from earth.

Please help me set up the equation.

Thank you