Cedric and zelda went shopping at price buster buster cedric bought to jumbo rolls of aluminum foil and three packages of aa batteries for a total cost of $21 zelda bought 5 identical jumbo rolls of aluminum foil and two identical packages of aa batteries for a total cost of $25 find the cost of one roll of aluminum foil and find the cost of one package of aa batteries

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

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?

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.