Solve the system by the substitution method. Be sure to check all proposed solutions.x + y = 6y = 2x
A. {(-2, 8)}
B. {(2, 4)}
C. {(3, 3)}
D. {(1, 5)}
Answer: B
Mathematics
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Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
-b
A. 
B. 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log6 
A. 
log6 x - 
log6 y + 
B. 
log6 x + 
log6 y - 
C. 
(log6 x5y - log6 36)
D. 
(log6 x5 + log6 y - 2)
Mathematics
Provide an appropriate response.Is 
a rational or irrational number?
A. Irrational B. Rational C. Both rational and irrational D. Neither
Mathematics
Change the exponential expression to an equivalent expression involving a logarithm.65 = 7776
A. log6 7776 = 5 B. log7776 6 = 5 C. log1/5 7776 = 6 D. log5 7776 = 6
Mathematics