Anything with a zero denominator is undefined.
Answer: X=7
Step-by-step explanation: 7 times 3 is 21.
Answer:
The answer is (60,90)
Step-by-step explanation: Because if u think white is added by 12 like 24+12 is 36 same as for Pink 18+18 is 36 adding up
Answer:
Z-score = 1.18
Step-by-step explanation:
The z-score measures how many standard deviations from the mean a data is
Therefore the z score is the quotient between the difference between a value and the mean and the standard deviation

Where
μ is the mean, x is a data of the population and
is the standard deviation
In this case

Then the z-score is

Answer:
-2(2x+4)
Step-by-step explanation: