Not sure if your trying to solve for x or v
Answer:
W
Step-by-step explanation:
the rule of a 90⁰ counterclockwise rotation is (x,y) -> (-y,x)
For example, if you rotated a point at (3,2) by 90⁰ counterclockwise. You would change it to (-2,3).
Answer:
73
Step-by-step explanation:
...wait 69?!?!?!?!
Answer:
6x-21
Step-by-step explanation:
1) draw diagram (in image)
BD=2x-21+4x
combine Like terms
6x-21