What is the Greatest Common Factor for the following expression: -9x²-27x

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 =

State if the two triangles are congruent. if they are, state how you know?

What are the domain and range of the function f(x)=2^x+1