Summarize The Ebony Room

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*