Will give brainliest to right answer
consider u = {x|x is a positive integer greater than 1}.

which is an empty set?

{x|x ∈ u and is prime}
{x|x ∈ u and 2x is prime}
{x|x ∈ u and can be written as a fraction}
{x|x ∈ u and 2x can be written as a fraction}

Vinny is interviewing for a job.he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now