A middle school is selling candy bars to raise money for new calculators.
The graph shows the number of
candy bars sold, x, and the amount of
money collected, y.
20
15
Money Collected ($)
10
5
0 1 2 3 4 5 6 7 8
Candy Bars Sold
Enter a value that completes the
equation correctly.

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.

Which number completes the inequality? 2/3 < _ < 7/9

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?