Answer:
28.26 in
Step-by-step explanation:
Radius = (1/2) diameter
Radius = (1/2)(9)
Radius = 4.5 in
Circumference = 2πr
Circumference = 2(3.14)(4.5)
Circumference = 28.26 in
918.642 x 1/10 = 918.642 x 0.1 = 91.8642
3)
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3. a2 + 5a – 3a2. A. 5a + 2a2 B. –2a2 + 5a C. –3a2 + 6a D. 5a – 3a2</span>