Answer:

Step-by-step explanation:

Answer:
1.62533254
Step-by-step explanation:
She will pay 90 because the income is 5 times greater
(answer o number one)
Answer:
(4, - 6 )
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 270°
a point (x, y ) → (y, - x ) , thus
(6, 4 ) → (4, - 6 )