Evaluate the radical expressions or indicate that the root is not a real number.
A. 2
B. -2
C. -8
D. Not a real number
Answer: B
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Solve the problem.The numbers 1 through 13 are each written on the same size sheet of paper and placed in a bag. You then select one sheet of paper at random from the bag. What is the probability of choosing a 7 from the bag?
A. 
B. 
C. 
D. 
Solve the equation.4x + 5(-2x - 5) = -23 - 8x
A. 1
B. - 24
C. 
D. - 1
Divide. Round your answer to the nearest hundredth when necessary.1.92 ÷ 4
A. 4.8 B. 1.48 C. 14.8 D. 0.48
Sixty liters of a 43% acid solution is obtained by mixing a 28% solution with a 42% solution.Use a graphing utility to graph the two given equations. Let x and y represent the amounts of the 28 % solution and 42% solution. As the amount of the 28% solution increases, how does the amount of the 42% solution change?
?
?
?
A. ?
?
Increases
B. ?
?
Decreases
C. ?
?
Decreases
D. ?
?
Decreases
E. ?
Increases