exam Maths Puzzle Numerical Ability

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(64r^3s^-12/12r^-9s^-12)(120r^6/24s^-18)

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exam Other Question

Use a system of equations to solve each problem

13. Adult tickets for the school musical sold for $3.50 and student tickets sold for $2.50. 321 tickets were sold altogether for $937.50. How many of each kind of ticket were sold? I need your help onthe following problem: "A rectangle whose perimeter is 250 is 8 feet shorter than it is wide.Find the dimensions and area." Can you please help me.