Answer:
3
Step-by-step explanation:
She only bought one chocolate so you will subtract 8.32 from her total, 27.79, when you do that you will get 19.47. You do that so you can know the total of the stuffed animals by them self. Then all you have left in the total is her stuffed animals so you divide 19.47 by 6.49, when you do that you get three, so that means that she got three stuffed animals.
(7, -2).
Reflection will remain the same distance with the symmetrical line.
Answer: 
Step-by-step explanation:
Given : The speeds of vehicles traveling on a highway are normally distributed .
Standard deviation: 
Since , sample size :
, which is small sample (n<30) so the test applied here is a t-test.
Degree of freedom= 
Sample mean : 
Level of significance : 
Then , significance level : 
Using t-distribution table , Critical value : 
The confidence interval for population mean is given by :-


Hence, a 98% confidence interval for the population mean=
Answer:
B
Step-by-step explanation:
the six(6) muffins plus the $3 she saved
Step-by-step explanation:
All bad girls come to see and show
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come see my big d