A car is 500 miles from its destination after 2 hours and 410 miles from its destination after 3.5 hours. What is the rate of change? A. 1.5 miles per hour
B. 60 miles per hour
C. 90 miles per hour
D. 135 miles per hour

PLEASE HELP

Write the expression 7x^3-28xy^2 as the product of 3 factors

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