What is the sum of the additive inverse and multiplicative inverse of the number 1.2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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 =

At 6 1/2 cents per pound of string beans how much does 7 pounds cost