Someone help and please make sure the answer is right :)

B

Step-by-step explanation:

their alternate exterior angles so they are equal

9x + 12 = 120

9x = 108

x = 12

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.