Which equation does the graph of the systems of equations solve? 1) x^2-2x+3=2x^2-4x-3
2) x^2-2x+3=2x^2-4+3
3) -x^2+2x+3=x^2-4x+3
4) -x^2-2x+3=x^2-4x+3​

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

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 =