mrs flinch first grade class was holding a used book sale. some books were sold for $0.25 and others sold for $0.35. the first customer spent $0.35 for 11 books. how many $0.25 books and $0.35 books did the customer buy?

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 is the difference between the equations of a vertical and a horizontal line?

How can (square root of 25) ^2 be rewritten?