6.945 seconds was the difference between Nancy's and Betty's swim times.
27.949 - 21.004 = 6.945
Answer:
wer here. Link below!
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bit.
Step-by-step explanation:
Answer:

Step-by-step explanation:
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Factor out 

Consider −4p − 2p + 1. Multiply and combine like terms.
-6p + 1
Rewrite the complete factored expression.

Hope it helps and have a great day! =D
~sunshine~
Answer:
12 and 16
Step-by-step explanation:
The ratio between the groups is 3:4, so the fractions are 3/7 and 4/7.
3/7 (28) = 12
4/7 (28) = 16
Check your answer: 12 + 16 = 28, and 12/16 = 3/4.