book Maths Puzzle Numerical Ability

Factoring out Monomials PLEASE HELP ME OUT ????
Mr. Jones says that he has 3 daughters, the product of whose s is 72. Furthermore, the sum of their ages is equal to his house numb

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Hello, I stumbled upon this site using google, and I happened to run across a problem that caught my eye, because the tutor who "solved" the problem was wrong. The problem is: how do i know when a angle has skew segments? can you show me a example?