Find the circumference and area of the circle. Use 3.14 for ?. Round your results to the nearest tenth.
A. C ? 12.2 cm, A ? 12.2 cm2
B. C ? 12.2 cm, A ? 11.9 cm2
C. C ? 6.1 cm, A ? 24.5 cm2
D. C ? 6.1 cm, A ? 47.8 cm2
Answer: B
Mathematics
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Find the asymptotes of the hyperbola.
- 
= 1
A. y + 1 = 
(x - 4), y + 1 = - 
(x - 4)
B. y + 1 = 
(x - 4), y + 1 = - 
(x - 4)
C. y + 1 = 
(x - 4), y + 1 = - 
(x - 4)
D. y - 4 = 
(x + 1), y - 4 = - 
(x + 1)
Mathematics
Find the rate. Round to the nearest tenth of a percent.Principal: $8,000Time: 90 daysInterest: $140.00
A. 34.6% B. 7.0% C. 7.1% D. 1.8%
Mathematics
Evaluate the expression by hand.2561/4
A. 4 B. 1024 C. 64 D. 16
Mathematics
Solve the logarithmic equation.log7x = -2
A. 
B. 49
C. 
D. 128
Mathematics