exam
Maths Puzzle
Numerical Ability
Given: Ray AO is perpendicular to Ray CO
Prove: angle 1 and angle 3 are complementary angles
I have tried different things, but I do not understand this problem.
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exam Other Question
1/4(8y+4)-17=1/2(4y-8)
an employees new salary is $26,355 after getting a 5% raise. what was the salary before the increase?