Which three lengths could be the lengths of the sides of a triangle?

9 cm, 14 cm, 22 cm

20 cm, 6 cm, 8 cm

21 cm, 7 cm, 7 cm

15 cm, 5 cm, 20 cm

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Rosy waxes 2/3 of her car with 1/4 bottle of car wax. at this rate, what fraction of the bottle of car wax will rosey use to wax her entire car

Ineed to know the answer to this algebra question.