exam Maths Puzzle Numerical Ability

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

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exam Other Question

Find all of the real and imaginary zeros for the polynomial function.
12) f(x) = x3 - 2x2 - 25x + 50
Nine times the first of two consecutive odd integers equals seven times the second. Find the integers.