Answer:
(1,4)
Step-by-step explanation:
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51. all real numbers
52. all real numbers
53. (-infinity, 0)(0,infinity)
54. all real numbers
I believe the answers a B C and D
Answer is <span>C.)262 cm^3
</span>V=<span>1/3πr^2h
</span>V=1/3 x 3.14 x 5^2 x 10= 261.67 <span>cm^3</span>