exam Maths Puzzle Numerical Ability

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1. (4 pts) ÐDEF and ÐGHI are complementary angles and ÐGHI is eight times as large as ÐDEF. Determine the measure of each angle.

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exam Other Question

How does the solution set for a linear equality differ from a linear inequality over a given region of 2-dimensional space? simplify (3x-1y-2)

the -1 and -2 are exponents i just dont know how to type them in please help