Evaluate.-
A. -5
B. -12.5
C. 12.5
D. 5
Answer: A
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Solve the problem.Find the centroid of the region in the first quadrant bounded by the curve y = 11 cos x and the axes.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Round your answer to the nearest tenth of a mile.
A. 17.6 mi B. 15.6 mi C. 6.1 mi D. 10.3 mi
Solve the system 
by using the inverse of an appropriate matrix.
Fill in the blank(s) with the appropriate word(s).
Find an equation in slope-intercept form (where possible) for the line.Through (-2, 0) and (-8, 5)
A. y = - 
x + 
B. y = 
x + 
C. y = - 
x - 
D. y = 
x - 