11) (2, 5);
21) (−1, 4);
31) Q(5, −8), S(−1, 3);
41) S is R reflected across the x-axis; only the signs of the y-coordinates of R and S are different;
51) Coordinate grid shown from negative 2 to positive 2 on the x-axis and negative 2 to positive 2 on the y-axis in increments of 1 over 4. Only the whole numbers are labeled. A point A is shown at the intersection of 2 grid lines to the right of the y-axis and 5 grid lines below the x-axis;
61) -4/8;
71) A coordinate grid from negative 3 to positive 3 on both axes is drawn in increments of 1 over 2. Point A is plotted 2 grid lines to the right of the y-axis and 4 grid lines above the x-axis. Point B is plotted at 6 grid lines to the right of the y-axis and 1 grid line below the x-axis. Point C is plotted at 6 grid lines to the left of the y-axis and 1 grid line below the x-axis;
81) (0.4, −1.8);
91) 7;
101) On the 3rd graph;
111) If the number of cups of raisins is 60, then the number of cups of cereal will be 20.
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