exam Maths Puzzle Numerical Ability

please solve these two numbers by factoring completely:

1. 9 - (2a + b)^4

2. 32a^4b - 162b^5

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exam Other Question

Determine whether the inequality is true or false.
8 * 9 < 17 + 18
- a boxing ring is in the shape of a square,20 ft on each side. how far apart are the fighters if they are in opposite corners of the ring?