Respuesta :

sin270

Answer:

9. D

10. 50mph

11. A

Step-by-step explanation:

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Answer:

9) D.

10) Rate of change: 50

11) A.

Step-by-step explanation:

9)

Non-linear lines are not straight.

10) [tex]\frac{Rise}{Run}[/tex] = [tex]\frac{400}{8} = 50[/tex]