Solve.A sign board has an area of 176 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 11 m by 19 m
B. 12 m by 15 m
C. 11 m by 16 m
D. 13m by 16 m
Answer: C
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Find the indicated angle.Find the complement of 106°.
A. 16° B. 74° C. 106° D. not possible
Solve the problem.Suppose that a radio signal transmission pattern can be modeled by 
for 
where the units are in miles. Describe the influence of k on the pattern. Assume that the positive x-axis points east.
A. With increasing k, the distance of transmission becomes smaller in the east and west directions. B. With increasing k, the transmission becomes more strongly directed toward the north and less strongly directed to the east. C. With increasing k, the transmission becomes more strongly directed toward the east and less strongly directed to the west. D. With increasing k, the distance of transmission becomes greater in the east and west directions.
Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.sin (cos-1 (0.8324))
A. 0.0175 B. 0.1389 C. 0.6324 D. 0.5542
Evaluate the expression.
1/2
A. 
B. 
C. 
D. 