What is the question, are we supposed to find the value of "u"? If so, than u is equal to 6 6/7.
Answer:
-1
Step-by-step explanation:
-4(-1)-5=4-5=-1
18 what is this for exactly..?
Answer:
(- 6, 3 )
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (y, - x ), thus
(- 3, - 6 ) → (- 6, 3 )