Los dueños de una casa fotográfica quieren vender postales a los turistas con imágenes de Quito antiguo. Los precios de estas se explican en el siguiente cuadro. Si Sebastián compró dos fotos de 10 cm x 15 cm y tres fotos de 15 cm x 21
cm, Diego compró 4 fotos de 13 cm x 18 cm y dos de 15 cm x 21 y Camila compró una foto de cada medida. ¿Cuánto
tendrá que pagar cada uno por las fotos que compraron? (Quién de los tres gastó más dinero?​

What is the safest thing to do if you encountered a honey bager

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?

The most effective way for individuals to influence the outcome of the protectiveequipment proposal is toa.b.c.d.circulate a petitionjoin a political partymake a presentation to the school boardwrite a letter to their provincial government representative