exam Maths Puzzle Numerical Ability

0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105

Which of the given numbers are composite?

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exam Other Question

The Khafre pyramid in Egypt has a square base that is 214.5 meters on each side, a height of 143.5 meters, and a slant height of 179.4 meters. You construct a scale model of the py Hi could you help me with this question on rational expressions?

Simplify each rational expression. State any restrictions on the variable.
3x^2-12/x^2-x-6

Thanks for the help!