exam Maths Puzzle Numerical Ability

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5. (3 pts) Given U = {18. 19. 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}, A = {21, 23, 25, 27, 29}, and
B = {26, 27, 28, 29}. Find A′

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exam Other Question
Given: CD bisects AB, AB bisects CD
Prove: triangle AED is congruent to triangle BEC square root of x2-5x+49 = x+2