exam Maths Puzzle Numerical Ability

How do you perform the indicated operation? (5 + 2i)(2 - 3i)

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exam Other Question

Is the relationship between the varibles in the table a direct variation, an in verse or neither? If it is a direct inverse write a function to model it.

X= -2 3 5 6
Y= -11 4 13 32 The difference between two positive integers is 52. One integer is three times as great as the other. Find the integers.