For any value of x, y=10.
So, the algebraic rule is

.
The value will never change.
Yes, in general it is true that an important characteristic of civilization is economic activity, since without economic activity it is impossible to trade and grow the economy to the extent that people can develop new skills and trades.
Answer: Tuition for college or vocational school. Low-interest loans for homes and businesses.
Explanation:
The law was created in 1944. It was created as an effort to help World War II veterans. The law entailed the establishment of veterans ’care hospitals, provided low-interest mortgages, and approved tuition scholarships and expenses for veterans attending college or trade schools. In this way, the state sought to help its former soldiers.
The Reconquista had a major effect on the evolution of the Muslim and Christian populations during this period and offers a unique “quasi-natural” experiment. The Reconquista dramatically decreased the population of the three main cities of the Moorish Caliphate - Granada, Cordoba, and Seville.