How many is : |-7 - 7|
1 answer:
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Any number, either positive or negative raised to the power of 0 is equal to 1.
r=0.25 miles
l=2×
=0.5 × 3.14
=1.57
120(minutes)÷2(miles)=60(minutes per mile)
60×1.57=94.2 minutes