If 13 key chains cost 38.35 what is the cost of 20 key chains

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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?

Given that abcd is a rhombus, what is the value of x?