Answer:
4:3 or 1:0
Step-by-step explanation:
Answer:
-3x-15
Step-by-step explanation:
-3*x
-3*5
Answer:
The 2nd one.
Step-by-step explanation:
185 degrees is farther than a straight line, and the 2nd one is the only one like that.
Answer:


And then the percentage between 24 and 40 would be 
Step-by-step explanation:
For this problem we have the following parameters given:

And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.
From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.
We can find the number of deviations from themean for the limits with the z score formula we got:

And replacing we got:


And then the percentage between 24 and 40 would be 
Answer:
80 seconds
Step-by-step explanation: