"At least" is expressed with the "greater or equal" sign, for example, x >= 100. (I don't know how to draw the greater-or-equal sign here - it is a horizontal line beneath the greater sign).
I think it means Least Common Multiple...
ask your math teacher
in math terms reduce means to simplify
It is an abbreviation for quart.
Justification in math terms means to show how you solved the math problem. Lay out the problem and show step-by-step how the problem is solved.
the average
I think it means Least Common Multiple...
In every-day terms, 'The Mean' is called the 'Average'.
principal(in terms of math)- the amount you borrow or deposit
HL in math mean hypotenuse leg
In a math problem, least means smallest.
ask your math teacher
It
The total of an addition. Difference means minus / take away Product means multiplication Quotient means division.
A number? ^^
neither
Dekagrams.