Simplify the expression.-17 - 19 + (-3)
A. -5
B. -1
C. 5
D. -39
Answer: D
Mathematics
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Find the limit.
A. 0 B. -? C. -1 D. ?
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Solve for the unknown number.72 ÷ z = 24
A. 4 B. 1 C. 3 D. 30
Mathematics
Solve by the method of elimination by substitution. x + 9y = 62-4x + 9y = 67
A. x = -1, y = 7 B. x = 1, y = 6 C. x = 0, y = 6 D. Inconsistent
Mathematics
Factor completely, or state that the polynomial is prime.10x4 - 1210x2
A. 10x2(x + 11)(x - 11) B. prime C. 10(x2 + 11)(x2 - 11) D. 10(x2 + 11x)(x2 - 11x)
Mathematics