Someone help pls :(( A woman drives a distance of 40km to work each day and her average speed for the journey is written as x km/h. If she increases her average speed by 5km/h, it takes 2 minutes less time than usual to make the journey. Calculate her normal speed in km/h.

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