Answer:

Step-by-step explanation:
We can divide polynomials by other polynomials by dividing each term by the denominator. Remember, when we divide a variable by itself, we must change the exponent in our answer according to exponent rules.

Answer:
10/3 of a kitchen cabinet
Step-by-step explanation:
To make a full hour, 1/5 would be multiplied by 5- and so would their progress.
2/3 * 5 = 10/3, which is also an improper fraction.
I think they use experimental probabilities because experiment probabilities are WAY reliable than theoretical probability
Answer: 19.77%
Step-by-step explanation:
Given: Mean : 
Standard deviation : 
The formula to calculate z-score is given by :_

For x= 80, we have

The P-value = 
In percent , 
Hence, the approximate percentage of the test scores during the past year exceeded 80 =19.77%
I'm pretty sure b is your answer