Solve the linear programming problem.Maximize and minimize z = 8x - 24y subject to:x ? 0,
y ? 0,
4x + 5y ? 30,
4x + 3y ? 20,
x ? 5,
y ? 8.
A. maximum: -110; minimum: -144
B. maximum: 40; minimum: -144
C. maximum: 40; minimum: 0
D. maximum: -144; minimum: 0
Answer: B
Mathematics
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Solve the equation.
- 
= -2
A. 3 B. -5 C. -3 D. 5
Mathematics
Write the given Chinese numeral as a Hindu-Arabic numeral.
A. 9000 B. 90 C. 96 D. 900
Mathematics
Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. (z - 6)2
B. 
- 6
C. z - 6
D. z - 
Mathematics
Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $602,000. Owner's equity at end of year: $806,000. Net income after taxes: $93,500.
A. 11.6% B. 15.6% C. 13.3% D. 15.5%
Mathematics