Meghan and Dominic do their math homework together. When they find 7−​(−9​), they get different answers. Meghan claims the difference is 2. Dominic claims the difference is 16. Who is​ correct? What error likely led to the incorrect​ difference? ( ignore the Wattpad and tumblr‍)

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