Answer:
second option
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (- y, x )
Answer:
1.782
Step-by-step explanation:
8.91 ÷ 5= 1.782

It will take approximately 13 seconds.
Answer: Option (2)
Step-by-step explanation:
Setting the equations equal to each other,

If x=7, then 