Add. Do not use a number line except as a check.25 + (-17) + (-13)

A. -5
B. 21
C. 29
D. 55


Answer: A

Mathematics

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The argument has a true conclusion. Identify the argument as valid or invalid.A square is a parallelogram.A square has four sides.  A parallelogram has four sides.

A. Valid B. Invalid

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Factor.8 - 125y3

A. (2 + 5y)(4 - 10y + 25y2) B. (8 - 5y)(1 + 10y + 25y2) C. (2 - 5y)(4 + 25y2) D. (2 - 5y)(4 + 10y + 25y2)

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Use substitution to solve the system of equations.x - 3y = 296x - 3y = 69

A. (9, -8) B. Inconsistent; no solutions C. (-8, -8) D. (8, -7)

Mathematics

Evaluate the polynomial for the given value of x.6x2 + 6x - 10  for x = -3

A. 22 B. 26 C. 16 D. -46

Mathematics