Find the exact value of the expression.sec(-2655°)
A. 
B. -1
C. - 
D. - 
Answer: D
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the rectangular solid in the first octant bounded by the planes 
, 
, and 
.
A. 
B. 
C. 
D. 
Two magazines were introduced at the same time. Magazine 1 had an initial circulation of 200, and magazine 2 had an initial circulation of 700. The circulation A for magazine 1 satisfies the equation of change
.
The circulation B for magazine 2 satisfies the equation of change
.
Here t is measured in months. In the following questions, if your answer involves an exponential function write it using the alternative form for an exponential function.A: Find a formula that gives the circulation of magazine 1 after t months.B: Find a formula that gives the circulation of magazine 2 after t months.C: When will the circulations for the two magazines be the same? Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.A bird flies from its nest 2 km in the direction 17° north of east, where it stops to rest on a tree. It then flies 5 km in the direction 25° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (0.9563, 0.2924) B. (1.913, 0.5847) C. (0.5847, 1.913) D. (-0.5503, -1.923)
Find a point on the line and its slope and use these values to write the slope-intercept form of the line.
A. y = x + 5 B. y = - x + 5 C. y = - x - 5 D. y = x - 5