The general term of an arithmetic sequence is un=11−4n. Find the first term and common difference of this sequence.

Every time you drive you will experience a combination of driving conditions and environments.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?