Solve the problem.A trust account manager has $400,000 to be invested in three different accounts. The accounts pay 5%, 6%, and 10%, and the goal is to earn $32,000. Assuming that x dollars are invested at 5%, y dollars are invested at 6%, and z dollars are invested at 8%, what limits must there be on z so that all investment values are non-negative?
A. 150,000 ? z ? 200,000
B. 200,000 ? z ? 240,000
C. 210,000 ? z ? 250,000
D. 150,000 ? z ? 180,000
Answer: B
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Determine whether the statements are equivalent.If we visit the museum after May 30, then we will see the precious gems exhibit.If we do not see the precious gems exhibit, then we do not visit the museum after May 30.
A. Equivalent B. Not equivalent
Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
The combined area of a square and a rectangle is 135 square centimeters. The width of the rectangle is 3 centimeters more than the length of a side of the square, and the length of the rectangle is 2 centimeters more than its width. Find the dimensions of the square and the rectangle.
A. 6 centimeters by 9 centimeters and 11 centimeters by 11 centimeters B. 9 centimeters by 9 centimeters and 6 centimeters by 8 centimeters C. 6 centimeters by 6 centimeters and 9 centimeters by 11 centimeters D. 6 centimeters by 6 centimeters and 9 centimeters by 8 centimeters E. none of these
Perform the indicated operation. Simplify if possible.
+ 
A. - 
B. 
C. 
D. - 