5.Which of the following is true if ∠x and ∠y are complementary? *

A. m∠x = m∠y
B. m∠x ≠ m∠y
C. m∠x + m∠y = 90°
D. m∠x + m∠y = 180°

6. Which will be the result when the distributive property is applied in -2(x - y)? 

A. 2x – 2y
B. -2x – 2y
C. 2x + y
D. -2x + y

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