Solve the problem.A sushi restaurant charges $8.95 for its lunch buffet and $12.95 for its dinner buffet. In order for the restaurant to turn a profit, its buffets must generate daily revenue of at least $2190. Write an inequality that describes this requirement. Let x represent the number of lunch buffet customers and y represent the number of dinner buffet customers.
A. 8.95x + 12.95y ? 2190
B. 8.95x + 12.95y ? 2190
C. 8.95x + 12.95y = 2190
D. 8.95x + 12.95y ? 2190
Answer: B
Mathematics
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+ 
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+ 
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A. Center: (-3, 4); Vertices: (-28, 4), (22, 4) B. Center: (4, -3); Vertices: (-28, 4), (22, 4) C. Center: (-3, 4); Vertices: (4, -28), (4, 22) D. Center: (4, -3); Vertices: (4, -28), (4, 22)
Mathematics
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Mathematics
Factor.9 - x2y2
A. (3 - xy)2 B. 9 - x2y2 C. (3 - xy)(3 + xy) D. (3 + xy)2
Mathematics
Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Mathematics