Which number is irrational, an integer and a real number? a) -4/2b)√4c)0d)there is no such number

2x minus y equals 6, x plus y equals negative 3

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter