Variables are also known as numbers.
real
imaginary
literal
none of these
Explanation for correct answer :
Variables are also known as literal numbers. For example x,y,z,a,p,q,... and their values are keep on changing.
Hence, the option C is the correct answer.
In algebra, the variables are also known as ___
Numbers which are negatives of each other are also known as _____of each other.