How do i complete a table for the equation x + y =13

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

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 =

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube