10. A passenger train left Miami and traveled toward the outer-most station. A freight train left two hours later traveling 10 mph faster in an effort to catch up to it
After seven hours the freight train finally caught up.
What was the passenger train's average speed? (4 points)

Prove that quadrilateral is a rhombus.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Is it greater than or less than7*3_9*2