Question

True or false. 9. Two rational numbers whose sum is 0 are called additive inverse of
each other:
10.To reduce a rational number to its standard form, divide its
numerator and denominator by their L.C.M.
11. If two parallel lines are cut by a transversal, then each pair of interior
angles on the same side of the transversal are supplementary.
12. The supplementary of a right angle is always right angle.

Answer 1

Answer:

9. true

10. false

11. true

12. true.

Step-by-step explanation:

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