Solve the problem.Stefanie bought a couch originally priced at $1000, a refrigerator originally priced at $800, and a $400 DVD player. What was her total bill? Round your answer to the nearest hundredth.
A. $1566.00
B. $3164.40
C. $1470.00
D. $1587.60
Answer: C
Mathematics
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Write an equation that expresses the relationship. Use k for the constant of proportionality.p varies directly as q and inversely as r.
A. p = 
B. p = 
C. pqr = k
D. p + q - r = k
Mathematics
Sketch by hand the graph of the function. Give the coordinates for the vertex.y = -x2 - 2x - 5
A. vertex: (1, -4)
B. vertex: (-1, 4)
C. vertex: (-1, -4)
D. vertex: (1, 4)
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible.log9 5(x - 8)
A. log9 5 ? log5 (x - 8) B. log9 5 ? log9 (x - 8) C. log9 5 + log5 (x - 8) D. log9 5 + log9 (x - 8)
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.3
+ 3
A. 9
B. 27x
C. 3
D. 27
Mathematics