Find an equation of variation for the given situation.y varies inversely as x and y = 0.5 when x = 0.9
A. y = 
B. y = 
C. y = 
D. y = 0.56x
Answer: A
Mathematics
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Find the missing quantities. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.
A. Cost: $5.44 Selling Price: $10.88 B. Cost: $12.31 Selling Price: $17.75 C. Cost: $17.75 Selling Price: $12.31 D. Cost: $0.12 Selling Price: $5.56
Mathematics
Find the indicated sum.
A. 39 B. 30 C. 84 D. 120
Mathematics
Subtract: 4666 - 1682
A) 3084 B) 2973 C) 6348 D) 2994 E) 2984
Mathematics
Indicate whether the matrix is in row-reduced form. Answer yes or no.
Mathematics