Refer back to the Think About It... when Best Buy sells a Samsung 32" flat screen television for $219.99, what does the 32” represent on the television? Use mathematics to explain your answer.

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

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?