Can somebody help me with my questions ( it’s already posted it ) I have some weirdo just want saying random that don’t got nothing to do with the problem and just want points Who can be my lifesaver I will very appreciate it . Thanks :)

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M< 5 = 80 , < 2 = 80, < 6= 100, < 3= 100, < 7= 80, < 4= 80, < 8= 100

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.