In xyz x=90 and y =30. in tuv u=30 and v=60. which is true about the two triangles

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Find the values of y: 3y^3(y^2+ 2/3y)=0

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)