Write up to four different equations for the line passing through these points.

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?