Answer:
D) 312
Step-by-step explanation:
2(6*8)=96
6*9=54
9*10=90
8*9=72
96+54+90+71=312
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Answer: 15
Step-by-step explanation: we use distributive property to find the answer
we basically multiply 5 by 3, which is 15.
Answer:
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Step-by-step explanation:
Answer:



Step-by-step explanation:
Vertical Angles are congruent, so set the two expressions equal to each other:
[x + 30]° = [3x - 18]°
-[3x]° - [3x]°
___________
−18° = 30° - [2x]°
- 30° - 30°
____________
−48° = [−2x]°
____ ___
−2° −2°
[Plug this back into both expressions to get both <em>m</em>∠<em>N</em> and <em>m</em>∠<em>M</em> at 54°.]
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