Answer:
20
Step-by-step explanation:
1:0.8 is 5:4. 16 is the 4 and so the 5 is 4(1)x5 = 20.
Dndndnd
Snzndns
a) 0
b) 2,3,4,5,6,7
c)3,4,6,7
15.21= 15.2 when rounded
the formula for finding the area of a circle with the diameter is A= 1/4 × π ×d^2
(5 , -18)
Hope this helps.
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