Reasoning Which bar is twice as long as the bar for England?
What does that mean?

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 =

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is the gcf of 20c^3-5c^4+30c^6