Perform the indicated operations and simplify the result so there are no quotients.
+ 
A. sin ? tan ?
B. sec ? csc ?
C. 1 + cot ?
D. -2 tan2?
Answer: B
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Write the first five terms of the geometric sequence with the first term a1 and common ratio r.a1 = 4, r = 3
A. 4, 7, 13, 31, 85 B. 1, 4, 12, 36, 108 C. 4, 12, 36, 108, 324 D. 12, 36, 108, 324, 972
A building in the shape of a rectangular box is to have a volume of 
(see the figure). It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $5/square foot for the front and back, and $3/square foot for the sides. Find the dimensions of the building that will result in a minimal annual heating and cooling cost. What is the minimal annual heating and cooling cost(C)?
?
What will be an ideal response?
Plot the set of points on the real number line.
A. 
B. 
C. 
D. 
Translate the phrase into a mathematical expression and then evaluate it.Two hundred times the quantity seven minus three
A. 200 ? 7 - 3; 1397 B. 7(200 - 3); 1379 C. 200(7 + 3); 2000 D. 200(7 - 3); 800