5 - sqrt 2 / sqrt 3 how can you write the expression with a rationalized denominator

Which of the following of the following sets of side lengths could not form a triangle?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Asquare parking lot has 6,400 square meters what is the length in meters