Given a(-1,4), b(1,5), and c(6,1), which are the coordinate will make ab parallel to cd

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

What is the slope of the line shown below?