exam Maths Puzzle Numerical Ability

3 radical 7 - 2 radical 28

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Please help . Find the equation of the line perpendicular to x+2y =3 that passes through the point (-3,4) answer should be in slope intercept form.
Thank you Could you please help me with this problem. I am supposed to use a system of equations to solve this question.
I have 30 coins worth $6.00. The coins are quarters and dimes. How many of each do I have?
Thank you very much!