Answer:
5. Grace has $39 She has 8 less than her brother. How much money does Grace's brother have?
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1+2i
to find the midpoint you do it just like you did with rectangular coordinates,
add and divide by 2 the real component and the imaginary components.
and
to find the midpoint you do it just like you did with rectangular coordinates,
add and divide by 2 the real component and the imaginary components.
and