Use exponential regression to provide an estimate for 
. Round your answer to two decimal places.
t 1.43 3.66 6.56 9.55 12.30 y 18.78 13.12 8.60 5.35 3.21?
A. 6.97
B. 7.12
C. 11.12
D. 11.42
Answer: B
Mathematics
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Perform the indicated operation. Simplify, if possible.
- 
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the water of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is multiplied by 2. B. The weight is divided by 2. C. The weight is divided by 4. D. The weight is multiplied by 4.
Mathematics
Solve. First isolate the radical term.
+ 4 = 0
A. - 4 B. - 256 C. No solution D. 256
Mathematics
Convert as indicated. Express the answer in decimal form when needed.6 days to hours
A. 360 hr B. 72 hr C. 144 hr D. 42 hr
Mathematics