A is the best answer…
Work:
-10x-(-4y) will equal -10x+4y the minus minus will cancel out
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D. The last one because slope is -99 which is decresed
Your answer would be 5 hours. Because total time divided by rate is the time it took to travel that distance. 250mi/50mph=5hours. Hope this helps.
if its 45 miles per hour then, 0.75 mile/minute.
