Answer:
I got 
Please correct me If I'm wrong
Step-by-step explanation:



(see attachment for a graph of

)
Answer:
1 MPH = 1.61 KMHR
Step-by-step explanation:
For an approximate result, multiply the speed value by 1.609
Y = mx + b
y = -4x -2
trying option 1
-8x + 2y = -4
2y = -4 + 8x
y = -2 + 4x
so its incorrect
Now trying option 2
8x + 2y = -4
2y = -4 - 8x
y = -2 - 4x
y = -4x -2
so Option B is correct
Answer:9x10⁴
Step-by-step explanation:
1.7x10⁵-8*10⁴=10⁴(1.7x10-8)=10⁴(17-8)=9x10⁴