¿como se les llama a las relaciones entre cantidades, que, cuando al aumentar o disminuir una, la otra tambien aumenta o disminuye correspondientemente de forma proporcional?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Write the sentence as an equation. z plus 372 is equal to 160

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.