Find the solution to the system by addition (elimination) method. 2x + 30y = -196 8x + 6y = 14
A. (7, -7)
B. (-6, 7)
C. (8, -8)
D. (-7, 7)
Answer: A
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Evaluate the integral.
A. - 
csc 7t cot 7t - 
ln
+ 
+ C
B. - 
csc 7t cot 7t + 
ln
+ C
C. - 
csc 7t cot 7t - 
ln
+ C
D. 
csc 7t cot2 7t - 
ln
+ C
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = x2 - 2x - 8 
A. Vertex: (-1, -7)
B. Vertex: (-1, -9)
C. Vertex: (1, -9)
D. Vertex: (1, 7)
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 64°
A. 0.44 B. 0.39 C. 0.57 D. 0.26
Solve the problem.A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint, and 9 hours to fire. A tree takes 14 hours to prepare, 3 hours to paint, and 4 hours to fire. A sleigh takes 4 hours to prepare, 16 hours to paint, and 7 hours to fire. If the workshop has 113 hours for preparation time, 64 hours for painting, and 101 hours for firing, how many of each can be made?
A. 2 wreaths, 7 trees, 6 sleighs B. 7 wreaths, 6 trees, 2 sleighs C. 6 wreaths, 2 trees, 7 sleighs D. 8 wreaths, 7 trees, 3 sleighs