exam Maths Puzzle Numerical Ability

Can you please help me with this problem? 25x^2-4/49 factor out completely or state that it is prime.

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exam Other Question

Uf the company shipped a total of 550 items last month, how many were shipped using second day air freight

truck 45%
second day air freight 40%
next day day air freight 15% Is it possible for the trapezoid to have exactly one obtuse angle? yes or no? if yes, draw if no explain