Abby has 12 quarters in her piggy bank. estimate how many cents she has by rounding the number of quarters to the nearest ten.

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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 can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12