ok this is really hard i have a crossword puzzle 3Y-9 Y=19 also

They want to know what N stands for in this question the mean is 14. the data is N, 16,16,and 18. Last probability of 7 out of 20=N%

the the give you the other information to help figure it out on the N data question its a puzzle.

To solve the crossword puzzle, you can use the given equation 3Y - 9, and substitute the value of Y, which is 19, into the equation.

Substituting Y = 19 into the equation, we get:
3(19) - 9 = 57 - 9 = 48

So, the value of the crossword puzzle is 48.

Moving on to the second part of your question, you are asked to find the value of N, given that the mean of the data is 14. The data values given are N, 16, 16, and 18.

To find the mean, you sum up all the data values and divide the sum by the number of data points. In this case, we have:
(N + 16 + 16 + 18) / 4 = 14

Multiplying both sides of the equation by 4 gives us:
N + 16 + 16 + 18 = 56

Simplifying the equation, we get:
N + 50 = 56

Next, we isolate the variable N by subtracting 50 from both sides of the equation:
N + 50 - 50 = 56 - 50
N = 6

Therefore, the value of N is 6 in this case.

Finally, for the last part of your question, you are given the probability of 7 out of 20, and you need to express it as a percentage.

To do this, divide the given probability by the total number of outcomes, which is 20, and then multiply the result by 100 to convert it to a percentage.

So, (7 / 20) * 100 = 35

Therefore, 7 out of 20 is equal to 35%.