exam Maths Puzzle Numerical Ability

[7+7 (5-3)]2/3

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exam Other Question

For # 13 draw five points A, B, C, D, and E in a plane so that all three statements are true.

13. Angle ABC is a right angle.
Angle DBC is a straight angle.
Angle EBA please help me solve

2b^ - 4ac = bc where a = -2, b = 4, c = 3