4. Robin is going on vacation with her dogs. The function w(b) = 4b represents the number of weeks that b bags of dog food last. What is the meaning of the 4 in this context? A Each bag of dog food can feed 4 dogs. B Robin's vacation lasts 4 weeks Each bag of dog food lasts 4 weeks D Each bag of dog food costs $4.

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