Answer:
No, the two different lines have nothing to do with eachother so the is no relationship and is not a proportional relationship.
Step-by-step explanation:
Answer:
b = -3
Step-by-step explanation:
-13 = 2b - b - 10
Add 10 to both sides of the equation
-3 = 2b - b
Subtract 2b - b
-3 = b
b = -3
Hope this helps :)
Answer:
61%
Step-by-step explanation:
in order to convert decimals to percentages, you just multiply by 100.
.61 * 100 = 61%
Answer:
The correct answer is "(18, 30) minutes".
Step-by-step explanation:
Mean,
= 24
Standard deviation,
= 2
The range of minutes where 99.7% of individuals completed the quiz will be:
= 
On substituting the values, we get
= 
= 
now,
= 
= 
Or,
= 
= 
i.e., 18 to 30 minutes