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Calculate the number 407

NUMBERMANIA: Calculate the number 407 using numbers [3, 3, 9, 9, 95, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Djordje Timotijevic.

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The best kind of people are

The best kind of people are the ones that come into your life and make you see sun where you once saw clouds. The people that believe in you so much, you start to believe in you too. The people that love you simply for being you. The once in a lifetime kind of people.

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First EPA air pollution injunction

In 1971, in its first such action, the U.S. Environmental Protection Agency (EPA) shut down heavy industries in Birmingham, Alabama, when air pollution on this day was reaching dangerous levels. It was an emergency action under the Clean Air Act (1970). The EPA asked a Federal judge to issue a temporary restraining order. Among others, U.S. Steel had been belching too much smoke into an atmospheric inversion (stagnant air mass). Among idled workers, one said, “we're going to choke to death before we starve to death.” Six months before, the city had suffered a five-day crisis that spiked on 20 Apr 1971. At that time, while the state failed in enforcement, the EPA was not notified early enough to start emergency action. Days with high particulate counts in the air thereafter drew close EPA scrutiny.«

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