Wharts the differences between a dialation and a reduction in geometry?

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

What is 4 square root 7^3 in exponential form?

Victoria created the scatterplot below based on the data in the table for the ages and heights of some teachers in her school. she wants to see if a teachers heigh depends on his or her age. what did she do wrong when she created the scatterplot