Which process will create a figure that is NOT congruent to the figure shown?

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no