Answer:
68
Step-by-step explanation:
81 +81 is 162
298-162=136
136/2=68
Answer:
140 ways
Step-by-step explanation:
4 x 5 x 7 = 140
4.5
pi is about 3.14 and root 23 is about 4.8 - the only number between these values is 4.5
Answer:

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