exam Maths Puzzle Numerical Ability

Please help to simplify

3i - 2i^2 + 3

DIVIDED BY

the square root of -16 - the square root of -2 * the square root of -2

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exam Other Question

Please answer the following problem: Use the point-slope form to write an equation of the line that passes through the point (5, -7) with a slope of 3/5. Please help me solve this extensded word problem:
Two of Cassandra's friends have come over. In how many different ways can the three girls wear the seven skirts?