exam Maths Puzzle Numerical Ability

please help me solve the following

-k(-2-3)-(-2)(-k-5)=-2-(-2k+4)+3 square root of -27

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exam Other Question

Julie is 4 times older than Aaron. In 10 years, Julie will be twice as old as Aaron. How old are Julie and Aaron?

Thank you!:o) What is the perimeter of a square that measures 4.5 ft on one side?