Evaluate.
for a = -9 and b = 5
A. - 
B. 
C. -1
D. 1
Answer: C
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The following table shows the running speed R, in feet per second, of animals of length L, in inches. Explain in practical terms the meaning of the slope of the regression equation. L 3.5 6.3 9.4 9.8 R 8.29 15.71 24.01 24.96? ?
A. An increase of 1 inch in length corresponds to an increase of 2.65 feet per second in running speed. B. An increase of 1 inch in length corresponds to an increase of 2.65 feet per second in running speed. C. An increase of 1 inch in length corresponds to an animal that runs 2.65 times faster. D. An increase of 1 inch in length corresponds to an animal that runs 2.65 times faster.
Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
The terminal side of an angle in standard position passes through the given point. Write all posssible degree measures of this angle.(-3, 0)
A. 90° + n ? 360°, n any integer B. 0° + n ? 360°, n any integer C. 270° + n ? 360°, n any integer D. 180° + n ? 360°, n any integer
Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 