What is 2-2+2-2+5000-5000+88+88-88-88+1

What are some things that your friends did this week? write 5 complete spanish sentences describing what they did. don't forget to conjugate your verbs in the preterite tense! (use only -er verbs) pay attention to (a) use of correct preterite form of the verb, (b) appropriate vocabulary usage, and (c) overall quality of each response. *note: this is a practice activity. completing this activity will not only prepare you for future tests and assessments but, more importantly, it will enhance your language ability. this activity will not count towards your grade.

Repasomulti type activity hide details instructionscompleta el siguiente resumen gramatical. april 10 8: 00 am (late) 2 attempts remaining grade settings external references274-276 grammar presentation tutorial questions empareja cada pronombre con la frase adecuada. prefirieron el menú vegetariano. repetimos el segundo plato. durmió durante cinco horas. me vestí elegante para la cena. serviste una comida deliciosa. construye oraciones en pretérito, correctas y lógicas, a partir de los elementos dados. sigue el modelo. modelo daniel y carolina / servir / la comida daniel y carolina sirvieron la comida. nosotros / seguir / hablando de cocina francisco / preferir / el pescado a la carne los niños / dormirse / en el restaurante mis padres / conseguir / la mejor fruta del mercado tú / no pedir / la especialidad de la casa

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution