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Answer:
If Carley ran the 400 meter run in a total of 55.7 seconds and she beat the record by 1.3 seconds, you would add 55.7 and 1.3
55.7+1.3= 57 seconds
The past school record for the girls 400 meter run was 57 seconds
Hope this helps ;)
Answer:
a. 12 yd
Step-by-step explanation:

The slope:

Look at the picture.
6 units down → -6
2 units right → 2

<h3>Answer: Slope = m = -3</h3>