Find the exact value of the expression.sec 150°
A. 
B. - 
C. - 
D. 
Answer: B
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Evaluate the limit by direct evaluation. Change the form of the function where necessary.
A. -7 B. Does not exist C. 49 D. 7
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Referring to triangle ABC, find the area of the triangle.
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Round to three significant digits.
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S = __________ m2
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release . How many units can you expect to sell in week 6?
A. 2034 units B. 2166 units C. 2496 units D. 1704 units