On a coordinate plane, points (1, 2), (3, 6), and (5, 10) are plotted. Which characteristics tell you that this graph shows a proportional relationship? Check all that apply. Three points are on the graph. A straight line can be drawn through the points. The ordered pairs all have the same x- and y-values. The line connecting the points passes through the origin.

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c