6th grade math pls help

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)