Arithmetic
If the letters represent unknowns they are usually called variable.
When using graphs in math, m stands for slope. The slope is how much a number increases or decreases using the given units.no it dosent
24 ways.
Multiplication
Math uses letters to indicate that specific numbers are not known or as an abbreviation for certain constant.
QED from the Latin "quod erat demonstrandum", meaning "that which was to be demonstrated", normally put at the end of a mathematical proof
In ordinary everyday letters . . . pi In Greek letters . . . Π
Trig
Variables
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Letters used in math are called variables.
Arithmetic
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On the title you can write one of the letters like "L" and put a 90 degree sign at the edge.
Arithmetic math is easy to do. All you d in arithmetic math is adding and subtracting fractions, decimals and mixed numbers by letters.