Solve the equation.log11 x + log11(4x - 7) = 1
A. 
B. 
C. 
D. {-1}
Answer: A
Mathematics
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Solve.The foundation of a house has the following measurements: 60 ft by 40 ft by 2 ft. If cement costs $0.03 per pound and weighs 15 lb / cu ft, how much will the foundation cost?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation by completing the square.2x2 + 8x = -5
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Sketch a graph of the function.
Mathematics
Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.161.7 ft, 7.7 sec
A. 13.3 
B. 28.7 
C. 21 
D. 2.1 
Mathematics