The answer is 3. 20/2=10 10-7=3
Answer:
the sequence is by -5
therefore the next numbers are
-13,-18,-23,-28
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Step-by-step explanation:
Sub in your values
4-4(-3)/2
=4 + 12 /2
=4+ 6
=10
Answer:
6π Km
Step-by-step explanation:
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr × 
= 2π × 9 × 
= 18π × 
= 6π Km ← exact value