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  2. Student–teacher ratio - Wikipedia

    en.wikipedia.org/wiki/Student–teacher_ratio

    The student-teacher ratio is the overall number of students divided by the number of teachers in the district. They are similar because they measure the number of students to teachers. For example, if a classroom has 25 students, then their class size is 25. But if a school has 10 teachers and 200 students, the student-teacher ratio is 1:20.

  3. Nurse scheduling problem - Wikipedia

    en.wikipedia.org/wiki/Nurse_scheduling_problem

    The nurse scheduling problem (NSP), also called the nurse rostering problem (NRP), is the operations research problem of finding an optimal way to assign nurses to shifts, typically with a set of hard constraints which all valid solutions must follow, and a set of soft constraints which define the relative quality of valid solutions. [1]

  4. Ratio - Wikipedia

    en.wikipedia.org/wiki/Ratio

    For example, the ratio 4:5 can be written as 1:1.25 (dividing both sides by 4) Alternatively, it can be written as 0.8:1 (dividing both sides by 5). Where the context makes the meaning clear, a ratio in this form is sometimes written without the 1 and the ratio symbol (:), though, mathematically, this makes it a factor or multiplier.

  5. Test of Essential Academic Skills - Wikipedia

    en.wikipedia.org/wiki/Test_of_Essential_Academic...

    The Test of Essential Academic Skills (TEAS Test) is a standardized, multiple choice entrance exam for students applying to nursing and allied health programs in the United States. [1] It is often used to determine the preparedness of potential students to enter into a nursing or allied health program.

  6. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]

  7. Drunk grandma stabs daughter, grandson during Thanksgiving ...

    www.aol.com/drunk-grandma-stabs-daughter...

    An angry, drunken grandma has been busted in Tennessee for allegedly stabbing her daughter and grandson with a kitchen knife during a Thanksgiving Day argument.

  8. ‘Today’ Fans Beg Al Roker to ‘Take Care’ of Himself After New ...

    www.aol.com/lifestyle/today-fans-beg-al-roker...

    'Today' show star Al Roker got honest about aging, and fans are saying he needs to "take care of himself" after seeing his Instagram.

  9. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    The twelve-point system differs from the above only in using the grade A+, to which the value 12.0 is applied. The 1-2-3-4 system Some school districts use a 1-2-3-4 rating system for grades at the elementary (K–5) level, notably many California school districts including The Los Angeles Unified School District (LAUSD) which switched with the ...