exam Maths Puzzle Numerical Ability

Simplify by combining like terms.

square root of 63 - 2 square root of 28 + 5 square root of 7

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exam Other Question

strikeouts/innings = 3.6/9 = x/315 One number is 25% of another. The larger number is 12 more than the smaller. Both numbers are positive. What are the numbers?