What is the coefficient of the third term in the expression below?
How many terms are in the expression below?
How many different variable parts are in the expression below?
Simplify the expression below.
Simplify the expression below.
Simplify the expression below.
Simplify the expression below.
The side lengths of a triangle are
, , and . What is the simplified expression that represents the perimeter of the triangle?The dimensions of a rectangle are
and . What is the simplified expression that represents the perimeter of the rectangle?