Answer:
a=3
Step-by-step explanation:
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Solution:


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Answer:

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1/6 of a minute is also 1/6*60 which equals to ten seconds. To find how many words she can type in 120 seconds, we need to divide 120 by 10 and then multiply the rate. 120/10 = 12, and then we multiply 12 by 8. 12*8=96
1. Two angles are acute, while the other is square
2. They all add up to 180°