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The table below shows the number of hours of parents in Paris spent reading books to their children.
Hours
o
1
2
2
3
5
5
7
Spent
Reading(x)
Number of 35
45
57
60
73
81
87
93
Parents(y)
A. Write the linear regression equation for this data set. Round all values to the nearest hundredth.
B. State the correlation coefficient of this line, to the nearest hundredth.
C. Explain what the correlation coefficient suggests in the context of the problem.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Are triangles the congruent? write the congruency statement. what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

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?