Answer: after the cataract took Euler’s sight he wrote more books and articles. He wrote 450 books after he lost his eye sight.
Step-by-step explanation:
Got it correct on edge.
i have know clue what it is
Answer:
False
Step-by-step explanation:
12+9<20
21≮20
False
Answer:

Step-by-step explanation:
The formula for calculating percentage is

The "part" is the electricity payment.
The "whole" is Ramon's earnings.

Answer:

And we can use the cumulative distribution function given by:

And for this case we can write the probability like this:

And then the final answer for this case would be 
Step-by-step explanation:
For this case we define our random variable X "price of gasoline for a city in the USA" and we know the distribution is given by:

And for this case the density function is given by:

And we want to calculate the following probability:

And we can use the cumulative distribution function given by:

And for this case we can write the probability like this:

And then the final answer for this case would be 