A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find sec ?.
A. 
B. 
C. 
D. 
Answer: A
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Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 9 above is called the 
.
A. subtrahend B. difference C. addend D. minuend
Solve using a system of linear equations in three variables.A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint, and 10 hours to fire. A tree takes 15 hours to prepare, 3 hours to paint, and 4 hours to fire. A sleigh takes 4 hours to prepare, 14 hours to paint, and 7 hours to fire. If the workshop has 118 hours for preparation time, 89 hours for painting, and 138 hours for firing, how many of each can be made?
A. 9 wreaths, 5 trees, 4 sleighs B. 4 wreaths, 9 trees, 5 sleighs C. 5 wreaths, 4 trees, 9 sleighs D. 10 wreaths, 6 trees, 5 sleighs
Identify the function's local and absolute extreme values, if any, saying where they occur.f(x) = x3 + 3.5x2 + 2x + 2
A. local maximum at x = - 
; local minimum at x = -1
B. local maximum at x = 1; local minimum at x = 
C. local maximum at x = -2; local minimum at x = - 
D. local maximum at x = 
; local minimum at x = 2
Add.64.56 + 2.549 + 1.323 + 5.33
A. 73.772 B. 73.762 C. 74.762 D. 73.862