Acar dealer sold 2 cars for $1980 each. on the first car he made a 10 percent profit while on the second car he took a loss of 10 percent. taken together, did he profit or lose on the deals?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Find the area of the regular hexagon if a side is 20 cm.

Ithink i know it but i want to be sure so can you me out ?