Answer:
z = 2.6
Step-by-step explanation:
<u>Use the formula for z-score</u>

This tells us that this person's score of 210 places them 2.6 standard deviations above the mean
Answer:
24/10
Step-by-step explanation:
=24/10
= 12/5
In mathematics , a rational number is a number that can be expressed as the quotient or fraction of two integers, a numerator and a non zero denominator.
Answer:
48 + 8x = 9
Step-by-step explanation:
4 +
x = 
multiply through by 12 ( the LCM of 3 and 4 ) to clear the fractions
48 + 8x = 9
Answer:
8
Step-by-step explanation:
3m + 9 -9m = 2m + 25
3m + 9 = 11m + 25
9 = 8m + 25
16/2 = 8m/2
M = 8
Answer:
48
Step-by-step explanation: