Um automóvel percorre 300 km com 20 litros de gasolina quantos quilômetros esse automóvel percorrerá com apenas um litro de gasolina

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

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 =