Answer:
the answer to this problem is
9 - 21v^2 + 21v^2 - 49v^4
9 - 49v^4
Step-by-step explanation:
Answer:
x=160
Step-by-step explanation:
x×126=24×840

The answer to your question is 6.54
Answer:
see explanation
Step-by-step explanation:
Under a clockwise rotation about the origin of 90°
a point (x , y) → (y , - x)