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A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country.
This led to expressions involving the square roots of negative numbers, and eventually to the definition of a new number: a square root of −1, denoted by i, a symbol assigned by Leonhard Euler, and called the imaginary unit. The complex numbers consist of all numbers of the form + where a and b are real numbers.
The National Center for Missing & Exploited Children (NCMEC) is a private, nonprofit organization established in 1984 by the United States Congress.In September 2013, the United States House of Representatives, United States Senate, and the President of the United States reauthorized the allocation of $40 million in funding for the organization as part of Missing Children's Assistance ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
Latchkey kid. A child with keys to her home hanging from her neck. A latchkey kid, or latchkey child, is a child who returns to an empty home after school (or other activities) or a child who is often left at home with no supervision because their parents are away at work. Such a child can be any age, alone or with siblings who are also under ...
Writing is easy; rewriting is hard. And essays deserve to be rewritten several times. Lots of kids think the objective is to write about something that will impress the admission office. In part that is true, but what impresses an admission officer is an essay that conveys something positive about the applicant; that allows the committee to get ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
The WATS (Wide Area Telephone Service) line is the heart of all SNCC security and communications. For a flat monthly rate, an unlimited number of calls can be dialed directly to any place in the country — or the state — depending on what line one uses. The Jackson office has a state-wide line, the Atlanta office has the national WATS line.