Decide whether the following is an expression or an equation.4(5x + 5) = 8(6x - 6)
A. Expression
B. Equation
Answer: B
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Which of the following are words or concepts not associated with a coordinate plane?? ?
A. ?Cartesian Plane B. Cartesian Coordinate System? C. Rectangular Coordinate System D. ?Ordered Pairs E. ?Quadrants F. ?None of the above.
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $10 per pound and chocolate covered cashews for $13 per pound. The manager wishes to mix 30 pounds of the cashews to get a 
mixture that will sell for $12 per pound. How many pounds of peanuts should be used?
A. 15 lb B. 22.5 lb C. 45 lb D. 7.5 lb
Solve the problem.Median family income in Country X between 1990 and 1999 can be modeled by 
where x is the year. Determine symbolically when the median income was $42,341.
A. x ? 1993 B. x ? 1997 C. x ? 1995
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log554.71
A. 5 B. 476 C. 4.71 D. 0.212