Solve the problem.The cost y to produce x heated-blades hockey skates is given by the equation y = 14x + 8000 and the revenue y from the sale of these skates is given by the equation y = 24x. Find the break-even point to determine how many skates must be sold to break even.
A. 800 skates
B. 236 skates
C. 802 skates
D. 801 skates
Answer: A
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Solve the quadratic equation by completing the square.x2 + 10x + 15 = 0
A. {5 - 
, 5 + 
}
B. {-10 + 
}
C. {-5 - 
, -5 + 
}
D. {5 + 
}
Find all values of ? with the given trigonometric function value.cos ? = 
A. 150° + n ? 360°; 210° + n ? 360°, n any integer B. 60° + n ? 360°; 300° + n ? 360°, n any integer C. 60° + n ? 360°; 120° + n ? 360°, n any integer D. 210° + n ? 360°; 330° + n ? 360°, n any integer
Solve the problem.The median household income of single mothers is shown in the bar graph, where the year 1995 corresponds to x = 5 and the year 2000 corresponds to x = 10. Use the information from the graph to write an equation to approximate the median income for 2005. Round to the nearest dollar.
A. $30,704 B. $36,764 C. $39,794 D. $38,279
Find the product.(6 + 7x)2
A. 36x2 + 84x + 49 B. 36 + 49x2 C. 36 + 84x + 49x2 D. 36 + 84x + 7x2