exam Maths Puzzle Numerical Ability

Simplify

square root of 75a^2b^3c.

use absolute value symbols if necessary

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exam Other Question

1)2x-5/(x-2)(x+6)over/divided by x^-2x+1/(x-2)(x+6)=?

2)4ab*b*b*b*b/a+b/6a^b*b*b*b=?
A quality control inspector found flaws in 13 out of 150 sweaters.


Here is the question: Find the probability that a sweater has a flaw. How many will not have flaws.


Whoever solves this thanks!!!!