Answer:
63
Step-by-step explanation:
Answer:
<4= 45○
Step-by-step explanation:
Step by step explanation is found on pic.
Hope that Helps :)
Answer:
x= 48
Step-by-step explanation:
x+90+42=180
x= 48
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Answer:
Zero
Step-by-step explanation:
To find the additive inverse, you merely change the sign of the number
For Example 5 {5 is the number} + (-5) {-5 is the additive inverse} = 0.
i.e. 6 + (-6) = 0
i.e (-7) + 7 = 0