Correlation coefficient is always between -1 and +1. So it cannot be +2.3
Answer:
7x-5 = 9
x = 2
Step-by-step explanation:
Let x be the number
7x-5 = 9
Add 5 to each side
7x-5+5 = 9+5
Divide each side by 7
7x = 14
7x/7 = 14/7
x=2
Answer:
Highest grade: 86
Lowest grade: 36
Step-by-step explanation:
Let the highest grade be h, lowest grade be l.

Therefore,

Answer:
K (-3,-7) A (-4,1) O (-5,5) T (-7,2)
Step-by-step explanation:
All of these have the x as the lesser value
Answer:
None of the above
Step-by-step explanation: