On a computer: a single unit storing a collection of related data or program records stored on some input/output or other storage device is called a/an .

What is the inverse of the function f(x)=4x+8

Solve 2x+y=3 x+y=5 in substitution method

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?