How can i go through my docs and switch things o pdf quicker

Which one of the following is not a good procedure to follow if you wish to avoid being rear ended by another vehicle

If the limit, as x approaches infinity (or negative infinity) of a function is equal to a, we say that the line y = a is a of the function f.

The average act score follows a normal distribution, with a mean of μ = 21.1 and a standard deviation of σ = 5.1. what is the probability that the mean iq score of 50 randomly selected people will be more than 23? 0 1 0.9958 0.3547 0.0042