I need help solving this. 8÷2(2+2)​

(40 points) i need some . an answer definition is appreciated as well.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

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