If you would like to know which is the correct unit of measurement to use when figuring out how many yards each child would run in the race, you can calculate this using the following steps:
80 yards * 2 + 60 yards * 2 = 160 + 120 = 280 yards
The correct measurement would be A. yards.
Answer:
804.2
Step-by-step explanation:
Formula

plug in

≈ 804.24772
round to nearest tenth
≈ 804.2
Answer:
7)8:45
8)12:30
9)3:15
Step-by-step explanation:
thanks, please mark brainliest
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<u><em>Seventy-seven is a composite number. </em></u>
Because you had to divide by eleven or seven. Then you can multiply by seven or eleven its equal to seventy-seven.




Final answer: 
Hope this helps!
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-Charlie