Triangles s u v and r u w are connected at point u. angles s u v and w u t are right angles. the length of hypotenuse s v is 2 x + 9 and the length of hypotenuse w t is 4 x minus 1. sides v u and u w are congruent. which value of x would make triangle s u v is-congruent-to triangle t u m by hl? 2 3 4 5

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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.