book Maths Puzzle Numerical Ability

MULTIPLY AND SIMPLIFY

(3+6i)(5-i)

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book Other Question

Give the coordinates of the vertex.

7) y = (x - 2)^2

A) ( -2, 0)

B) (0, -2)

C) (0, 2)

D) ( 2, 0) In a right triangle, one acute angle is 54degree more than twice the other. Find each acute angle.