exam
Maths Puzzle
Numerical Ability
The additive inverse of the number 1 + 4i is:
a. -1 + 4i
b. 1/17 - 4/17 i
c. -1 - 4i
d. 1 - 4i
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Henry investe $12,000 is a new restuarant. When the restaurant was sold two years later, he receive $27,000. Find his average annual return by solving 12,000(1+r) = $27,000