Find cos(A + B).cos A = 
and 
, where 
and 
.
A. - 
B. 
C. - 
D. 
Answer: A
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.A company has $8640 that it will use to give bonuses to 36 employees. If every employee gets the same bonus, how much does each employee receive?
A. Let b = the amount of bonus each employee receives. b = 8640 ? 36 Each employee receives a $8676 bonus. B. Let b = the amount of bonus each employee receives. 36 ? b = 8640 Each employee receives a $240 bonus. C. Let b = the amount of bonus each employee receives. 8640 ? b = 36 Each employee receives a $8604 bonus. D. Let b = the amount of bonus each employee receives. b ? 36 = 8640 Each employee receives a $24 bonus.
Write the standard equation for the circle.Center at (4, 3), radius 
A. (x - 3)2 + (y - 4)2 = 225 B. (x + 3)2 + (y + 4)2 = 225 C. (x - 4)2 + (y - 3)2 = 15 D. (x + 4)2 + (y + 3)2 = 15
Graph the line, finding intercepts to determine two points on the line.5x - 30y = 30
A. x: (6, 0); y: (0, -1)
B. x: (-1, 0); y: (0, 6)
C. x: (1, 0); y: (0, -6)
D. x: (-6, 0); y: (0, 1)
Find the area.
A. 122 yd2 B. 270 yd2 C. 187 yd2 D. 166 yd2