Determine if the given ordered triple is a solution of the system.(3, 5, 1)x - y + z = -1x + y + z = 9x + y - z = 7
A. solution
B. not a solution
Answer: A
Mathematics
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Fill in the blank.A fraction written as a percent is greater than 100% when the numerator is 
than the denominator.
A. less B. greater
Mathematics
Use a calculator to help solve the equation. Round approximate answers to three places.-5.9q + 1.0 = -7 - 1.9q
A. {2} B. {-12} C. {1.678} D. {1.356}
Mathematics
Simplify the exponential expression using the rules for exponents.
A. 
B. 
C. 
D. 
Mathematics
Multiply. Express the answer as a single polynomial in standard form.7x(x7 - 6x + 7)
A. 7x8 - 42x2 + 49x B. 7x7 + 7x2 + 49x C. 14x7 - 42x2 + 49x D. 7x8 + 7x2 + 49
Mathematics