Please, ,

Ou work as a cashier for a grocery store and earn $5 per hour. you also mow lawns and earn $10 per hour. you want to earn at least $50 per week, but would like to work no more than 10 hours per week. which system of inequalities, along with y ? 0 and x ? 0, would you use to solve the real-world problem?

Identify the structure of the human heart which is a muscular chamber that pumps blood out of the heart and into the circulatory system.

¿cómo se llama el movimiento arquitectónico en españa durante los siglos vii y xv?