exam Maths Puzzle Numerical Ability

A triangle has the following sides: 12 feet, 20 feet, and 16 feet. Is this a right triangle? Explain your answer.

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exam Other Question

A band has been drawing average crowds of 500 people. It is thought that for every $1 increase in the $12 ticket price, the average attendence will decrease by 50. At what ticket price will the nightly receipts be $5600? Give the domain of the function f(x) = 1/sq rt x-1.