The following table shows the running speed R, in centimeters per second, of ants as a function of the temperature T in degrees Celsius. Explain in practical terms the meaning of the slope of the regression equation.
T 25.6 30.3 32.3 34.8 R 2.16 3.18 4.89 4.77?
?
A. An increase of 1 degree in temperature results in an increase of 0.32 centimeters per second in running speed.
B. An increase of 1 degree in temperature results in an increase of 0.44 centimeters per second in running speed.
C. An increase of 1 degree in temperature makes the running speed 0.32 times faster.
D. An increase of 1 degree in temperature makes the running speed 0.44 times faster.
Answer: A
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per second. Its height, 
in feet at any time t is given by the function 
Find the interval of time for which the height of the arrow is greater than 
A. between 
and 
sec
B. before 
sec or after 
sec
C. before 
sec
D. after 
sec
Find the current ratio and the acid-test ratio for the indicated year. Round each ratio to the nearest hundredth of a percent.
This year current liabilities are $241,000.
A. 1.51; 0.88 B. 1.28; 0.88 C. 1.28; 0.72 D. 1.51; 0.69
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Express the rate in lowest terms.
A. $38/ft 2 B. $380/ft 2 C. $37/ft 2 D. $41/ft 2 E. $43/ft 2