What is the best interception of the slope on the line?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Write the rational number in lowest terms 99/-15

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)