Questions from Math

Q: B = {John Lennon, Ringo Starr, Paul McCartney,

B = {John Lennon, Ringo Starr, Paul McCartney, George Harrison }

Q: {x | x is a social network site with at least

{x | x is a social network site with at least 200 million registered users}

Q: {x | x is a social network site with less than

{x | x is a social network site with less than 100 million registered users}

Q: {x | x is a social network site with between 200

{x | x is a social network site with between 200 million and 500 million registered users}

Q: {x | x is a social network site with between 300

{x | x is a social network site with between 300 million and 800 million registered users}

Q: The set of years in which the cost of a Super Bowl

The set of years in which the cost of a Super Bowl commercial was more than $3.0 million

Q: The set of years in which the cost of a Super Bowl

The set of years in which the cost of a Super Bowl commercial was less than $2.5 million

Q: The set of years in which the cost of a Super Bowl

The set of years in which the cost of a Super Bowl commercial was between $2.5 million and $3 million

Q: The set of years in which the cost of a Super Bowl

The set of years in which the cost of a Super Bowl commercial was greater than $3.5 million and less than $4.0 million

Q: {e} ({a, e, i, o,

{e} ({a, e, i, o, u}