Plz ! need this asap! thx so much : ) a man bought a car for $8,200 and sold it for 80% of the price two years later. how much did he lose?

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?