exam Maths Puzzle Numerical Ability

Nine times the first of two consecutive odd integers equals seven times the second. Find the integers.

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exam Other Question

hey,
could you please solve the follwoing problem for me, and thanks a lot,

The path of a sonic boom on the Earth's surface is described by the equation
x^2 - y^2 = -45. Th Tell wether the number is prime or composite,if it is composite write prime factorization.

5. 132

Any help wit this problem would be GREATLY appreciated:)