1. B
2. D
3. C= πD
a) 204π or 641 cm
A= π r²
b) π (102)²
10404π squared cm or 32669 squared cm
4. C
5. D
Plant with treatment A in general grow more than plants with treatment B.
Picture below.
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A is 9 3/4 hours. 2/4 equals a half so 1/2 +1/4 equals 3/4
Answer:
the answer is 2x^2 − x − 2