I have only got 2 out of 3 possible marks on this question and I'm not sure how to get the 3rd mark please help.
The graph shows the cost of some taxi journeys. Work out a formula for C in terms of n.

If 1/2 is half of 1, what is 1/2 of 2,3, and 4?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

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