you must first have a complete equation (something = something else)
then using valid mathematical rules simplify the equation and begin to isolate the variable to one side giving the answer on the other side
whoever asks this question is gay! math is for geeks! LOOSER! B-)
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A nominal variable is a variable measured in current dollars (the value of the dollar for the specific period discussed), and a real variable is a variable measured in constant dollars (the value of the dollar for the base period). That is, a real variable adjusts for the effects of inflation.
It is any invertible function.
Each bar displays the value of one variable for one value of a second variable. The second may be a qualitative variable or a quantitative one.
random variable.
yes?