Problem #5 hannah recently took two tests. she made a 70 on this week's test and an 80 on last week's test. by what percentage did her grade change? her grade decreased by 12.5%.
Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
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