Solve the system by substitution.2x + y = -2y = 4x - 2
A. {(-1, -6)}
B. {(0, -2)}
C. {(-2, 2)}
D. {(-2, 0)}
Answer: B
Mathematics
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Write the number in expanded form.48,406,001
A. 40,000,000 + 800,000 + 40,000 + 6000 + 1 B. 40,000,000 + 8,000,000 + 400,000 + 600 + 1 C. 40,000,000 + 8,000,000 + 400,000 + 6000 + 1 D. 48,000,000 + 406,000 + 1
Mathematics
Decide whether the problem is an equation or an expression.x + y - 8
A. Expression B. Equation
Mathematics
Write the number in words.809,094
A. eighty-nine thousand, ninety-four B. eight hundred thousand, nine hundred ninety-four C. eight hundred nine thousand, ninety-four D. eight hundred nine thousand, ninety-four hundred
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Divide.6.3 ÷ (0.09)
A. 
B. 62.1
C. 6.21
D. 70
Mathematics