Renzo bought some gloves that cost $16.42, including tax. He paid for the gloves with four $5 bills and two quarters. How much change should he receive?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !