An investor bought a number of shares of stock for $1500. After the price dropped by $20 per share, the investor sold all but 4 of her shares for $1050. How many shares did she originally buy?

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How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.