Solve the equation.3(x + 5) - (3x + 15) = 0
A. 0
B. All real numbers
C. 5
D. No solution
Answer: B
Mathematics
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Write fraction as decimal number. Use bar notation for repeating decimals.
A. 0.9
B. 0.93
C. 0.9375
D. 0.937
Mathematics
The number of sales calls made by certain employees during a special time span are given. 141, 137, 136, 135, 134, 132, 131, 130, 130, 130, 126, 125, 125, 124, 124, 122, 122, 121, 121, 119.Find the inner-quartile range for the set of sales calls.
A. 10 B. 6 C. 22 D. 11
Mathematics
Evaluate the expression using the given value of the variables.4x2 + 5y2 for x = -3, y = 3
A. 51 B. 33 C. -9 D. 81
Mathematics
Given the matrix, perform elementary row operations to obtain a zeros above and below the 1 in the second column without changing the entries in the first column.
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A. ?
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B. ?
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C. ?
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D. ?
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E. ?
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Mathematics