In 1997 there were 14 large apartment buildings in calston, tx. by 2010 there were 53 large apartment buildings. what is the rate of change in the number of apartments buildings from 1997 to 2010? a. 1/39 years per building b. 53/13 buildings per year c. 3 buildings per year d. 14 buildings per month

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.