Asurvey asked a group of 60 students to list their eye color. the results of the survey are shown on the graph.

based on the graph, how many students in a class of 180 students would have green as their eye color?

The price of a coat increased from $78 to $92. what is the price increase percentage?

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

The system of equations graphed below has how many solutions?