The meaning depends on the context.
In analytical (or coordinate) geometry it is sometimes the gradient of a straight line.
In matrix algebra, it often represents the number of columns in a non-square matrix.
In mechanics, it is almost always the mass.
Typically, delta means "change in" in math.
It means that you are supposed to prove something.
It is < meaning less then.
Communitive means of, or belonging to, a community. It has no meaning in math. Communative does not mean anything - in math or elsewhere.
aches, armor,alpha
The ordinary meaning of "common" is used in math too. It means "same for both" or "same for all".
This just means to put the letter in upper case. The word capital here means upper case letters. Capital m is "M." Lowercase m is "m."
the meaning of power in math is there are no rules in math
the word hundredth means the 2nd number after the decimal point
It either means in the shape of a cube, or raised to the third power.
Morbid, merciless and miserable have a sad meaning. They begin with the letter M.
It means that you add whatever value "m" has, with the number.