What is the square root of 2 (the square root as a fraction)

98 point question what is the record for most points in one

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x