exam Maths Puzzle Numerical Ability

Write 8/(1+i) as a complex number in standard form

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exam Other Question

Solve the graph 1-2x > 7 and 4x-3 > 21 if a line passes through (5,2) and has a slope 2/3, then what is the value of y on this line when x=8, x=11, and x=12?