exam Maths Puzzle Numerical Ability

how do you graph 2x+3y=6

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exam Other Question

A number is spooky if it is not happy and it's prime. find all of the spooky numbers less then 100.
problem not in my book.
thank you for any help
mike
300.3+(-22.24)+78.713*4(8.63-2.45) round answer to nearest thousandth place