Robert and Freddie like to go to the library in their town to borrow books. Robert goes to the library every 9 days and Freddie
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Answer:
Step-by-step explanation:
we are given that
since m is greater than or equal to 0 it's a positive number therefore, the square root of m is defined and recall that √x²=|x| thus
remember that,|a|•|x|=|ax| hence,
and we're done!