Which is the best definition of an Equilateral Triangle ? A. A triangle that has at least 2 congruent sides
B. A triangle that has Three congruent sides
C. A triangle in which no two sides are congruent

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect