Answer: 2.093
Step-by-step explanation:
As per give , we have
Sample size : n= 20
Degree of freedom : df= n-1=19
Significance level : 
Since , the sample size is small (n<30) so we use t-test.
For confidence interval , we find two-tailed test value.
Using students's t-critical value table,
Critical t-value : 
Thus, the critical value for the 95% confidence interval = 2.093
I’m not sure but i think it is 126 pi IM SORRY IF IM WRONGGGGG
Answer:
B
Step-by-step explanation:
These lines dont cross CD and are not parrellel which is what skew lines are.
The x is the independent variable of the number and the y is the dependent so find the one thats independent