book Maths Puzzle Numerical Ability

What is the formula for the volume of a rectangular prism?

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book Other Question

1. even after performing this experiment in class, you are just not satisfied. that evening you log onto the internet and find that approximately 12% of the population is left-han Solve rational expression:

x plus 1 over x minus 3 equals 4 minus 12 over x squared minus 2x minus 3.

the 4 is separate (in the middle of the two equations).

Please explai