exam Maths Puzzle Numerical Ability

How do I add graphs? I have a couple of questions but they reference graphs...?

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exam Other Question

Find y-intercept and vertex y = x^2 - 3x - 4 I have two more questions:

1. Two angles are supplementary, and the ratio of their measures is 7 to 2 what are the angle measures?

2. Two angles are complementary, and the ratio of their measures is 5 to 4. What are the angle measures?