Sarah took clothes to the cleaners three times last month.​ First, she brought 2 shirts and 1 of slacks and paid ​$9.97. Then she brought 5 ​shirts, 3 pairs of​ slacks, and 1 sports coat and paid ​$34.91. ​Finally, she brought 3 shirts and 2 sports coats and paid ​$22.45. How much was she charged for each​ shirt, each pair of​ slacks, and each sports​ coat?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before