Which statements describe Aztec achievements in art and architecture? Choose four correct answers. The Aztec created music using instruments like drums.
The Aztec used feathers and jewelry to identify social class.
The Aztec used elaborate decorations on royal homes.
The Aztec created a method to print the emperor’s poetry.
The Aztec wrote complicated poems known as flower songs.
The Aztec expanded existing structures like the Temple of the Sun.

Match the item to the definition: indirect correlation, correlational research, correlational research, covary, pearson correlation coefficient, pearson correlation coefficient, direct correlation a. used to describe the relationship between two or more naturally occurring variables b. determines whether scores on the two variables covary c. whether two variables vary or change together d. denoted by the symbol "r" e. provides information about the sign (direction) and magnitude(strength) of the linear relationship. f. when the correlation is positiveg. when the correlation is negative