Find the opposite (additive inverse) of the number.-20
A. 0
B. 20
C. -20
D. - 
Answer: B
Mathematics
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Use either the binomial theorem or Pascal's Triangle to expand the binomial.
3
A. 
x3 + 
x2 + 64
B. 
x6 + 
x3 + 64
C. 
x3 + 
x2 + 16x + 64
D. 
x3 + 
x2 + 16x + 64
Mathematics
Tell whether the angle is acute, right, obtuse, or straight.
A. Acute B. Obtuse C. Right D. Straight
Mathematics
Write in expanded form using powers of 10.85,508
A. 8 × 104 + 5 × 103 + 5 × 102 + 8 × 10 B. 8 × 104 + 5 × 103 + 5 × 102 + 8 × 1 C. 8 × 104 × 5 × 103 × 5 × 102 × 8 × 1 D. 8 × 105 + 5 × 104 + 5 × 103 + 8 × 10
Mathematics
Solve the system by substitution.8x - 7y = 307x + 5y = 93
A. {(-4, -7)} B. ? C. {(9, 6)} D. {(-9, 6)}
Mathematics