It should be 15. 88 minus 28 is 60. Then 60 divided by 4 is 15.
Answer:
A, D, and F I think. Hope this helps
58r=70
r=35/29
r≈1.2069
So the rate was about 1.21 or if you prefer about 20.7%
Well, what is the perimeter? Does it tell you what the perimeter is? If not, i can't help:(
Answer: The critical value for a two-tailed t-test = 2.056
The critical value for a one-tailed t-test = 1.706
Step-by-step explanation:
Given : Degree of freedom : df= 26
Significance level : 
Using student's t distribution table , the critical value for a two-tailed t-test will be :-

The critical value for a two-tailed t-test = 2.056
Again, Using student's t distribution table , the critical value for a one-tailed t-test will be :-

The critical value for a one-tailed t-test = 1.706