Adriana vende empanadas de cajeta a $ 5 pesos para ayudar a sus abuelos, por cada empanada que vende ella gana $2 pesos. ¿cuanto ganará si vende 15?​

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible