Add and simplify
(2x^2-11x)+(3x^2+10x-4)
the answers are either -
6x^2-11x-4
5x^4
5x^2-x-4
5x^2-4

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

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

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee