exam Maths Puzzle Numerical Ability

Science and medicine.
A plane flies 720 mi against a steady 30-mi/h headwind
and then returns to the same point with the wind. If the entire trip takes 10 hours, what is the plan

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Hi. Can I have some help finding the domain of this function?

g(x)=√x/2x^2+x-1 Suppose you are thinking about buying one of two cars. Car A will cost $17,655.
You can expect to pay an average of $1230 per yr for fuel, maintainance, and repairs. Car B will co