Does the table represent y as a function as x?
x: 0,3,3,5
y: 2,1,-1,3
a. yes, because every x-value has exactly one y-value. b. yes, because y-value there is exactly one x-value. c. no, because one x-value has two y-values. d. no, because there is a 3 in the domain and a 3 in the range.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

If you answer 2+2 you will get over 80 points

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?