Find the exact value of the expression.cos 165°
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A swimming pool has a rectangular base 11 ft long and 22 ft wide. The sides are 4 ft high, and the pool is half full of water. How much work will it take to empty the pool by pumping the water out over the top of the pool? Assume that the water weighs 62.4 lb/ft3. Give your answer to the nearest ft ? lb.
A. 90,605 ft ? lb B. 60,403 ft ? lb C. 45,302 ft ? lb D. 120,806 ft ? lb
Solve the problem. Round to the nearest cent.The list price of a keyboard is $667. If the series discount offered is 10/15/15, what is the net cost after trade discounts?
A. $400.20 B. $433.72 C. $233.28 D. $266.80
Complete the sketch so that it has the indicated symmetry.Complete the sketch so that it has line symmetry about l.
What will be an ideal response?
Determine whether the graph is the graph of a function. 
A. function B. not a function