The size of the average U.S. farm has been growing steadily over the years. The following data, obtained from the U.S. Department of Agriculture, gives the size of the average farm y (in acres) from 1940 through 1991.
Years, x01020304051Acres, y167212297374428469?
(Here, 
corresponds to the beginning of the year 1940.)Find the equation of the least-squares line for these data. Use the equation found to estimate the size of the average farm in the year 2001.
?
A. 
acres
B. 
acres
C. 
acres
D. 
acres
Answer: C
Mathematics
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Provide the appropriate response.List all primes between 100 and 200.
A. 101, 103, 107, 113, 127, 131, 137, 151, 157, 163, 167, 173, 179, 181, 191, 197 B. 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199 C. 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 153, 157, 163, 165, 167, 173, 179, 181, 191, 197, 199 D. 101, 107, 109, 127, 131, 137, 139, 149, 151, 157, 167, 179, 181, 191, 193, 197, 199
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Find the volume.
A. 210 cm3
B. 150 cm3
C. 70 cm3
D. 
cm3
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Simplify the expression.- 
x + 
- 
x
A. - 
x
B. 
x - 
C. - 
x + 
D. 
x + 
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Solve the equation on the interval [0, 2?).2 cos2 x + sin x - 2 = 0
A. 
, 
B. 0, ?, 
, 
C. 
, 
, 
, 
D. 
, 
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