exam Maths Puzzle Numerical Ability

Solve:8cosxsinx=5

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exam Other Question

the absolute value of 6x-8=10, then x= 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?