That would be (1, -3) because you basically divide the coordinates by the scale factor, in this case 2.
we are given
speed is 850mi/h
we know that
1 mile =1609.34 metre
1 hour = 3600 second
now, we can replace 1mi and 1hour

now, we can solve it
379.98306
...........Answer
<span>associative property of multiplication
answer
</span><span>A.−125 ⋅ (712 ⋅ 19) ⋅ 85 = (−125 ⋅ 712) ⋅ (19 ⋅ 85) </span>
The answer would be 5.79
Hope I helped :)