Solve the system in terms of the arbitrary variable listed.z;x + y + z = 7x - y + 2z = 7
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Give the additive and multiplicative inverses of 6 for the set of rational numbers.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write 0.0023 in scientific notation.
A. 2.3 × 10-3 B. 23 × 10 C. 2.3 × 103 D. 0.23 × 10-2
Mathematics
Solve.Trader Tower stands at 1,595 feet high. Exchange Emporium is 892 feet tall. How much taller is Trader Tower than Exchange Emporium?
A. 2,487 ft B. 703 ft C. -703 ft D. -2,487 ft
Mathematics
Apply the distributive property.-(-7x + 3)
A. 7x + 3 B. 7x - 3 C. -7x + 3 D. -7x - 3
Mathematics