Answer:
Step-by-step explanation:
Since your population are the students in math class, you can use the z-score formula 
in order to comparing the two math test scores. Where 
is the mean for the class, 
is the standars deviation and x is Mary score.
For the first test 
, so ,
.
For the second test 
, so ,
Mary do better in the second test, relative to the rest of the class (because 
, it means the second score is nearer to the mean score of the class than the first one )
2 8 if not I’m so sorry pls forgive me
Answer:
i dont know
to be honest im trying to earn points but
Step-by-step explanation:
the answr is 1940
Answer:
A,B,D,E,H
Step-by-step explanation:
First, write an expression.
The correct expression is n + 8.
Second, substitute 5.3 for the variable, n.
Third, simplify by adding 5.3 and 8.
The answer is 13.3.
A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number. I dont know about the other question
