exam Maths Puzzle Numerical Ability

x/5 times 2x/3

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exam Other Question

How are power of a quotient perform with no base number? Solve. Then Graph.

7x >_ 63 (The _ is supposed to be under the >)

Would the solution be {xlx<9} ?? AND
the graph be a hollow circle on the 9 and and arrow towards the numbers higher than 9? Am I even close?