Find the sum of a.(-25)+(27) b.(-13)+4+(-15) c.19+(20)+(-37) please give me the answer of this questions
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2
Answer:
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.
Answered by
2
Answer:
a. -51
b. -32
c. -74
Step-by-step explanation:
it's right answer
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