Evaluate.-162 ÷ 9
A. -18
B. 18
C. - 
D. -28
Answer: A
Mathematics
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Provide an appropriate response.Mentally multiply by using powers of 10: 204 × 100
A. 24,000 B. 0 C. 20,400 D. 204,000
Mathematics
Find the value(s) of the function, subject to the system of inequalities.Find the maximum and minimum ofz = 10x + 6y subject to x ? 0, y ? 0, 2x + 3y ? 6, x ? 10, y ? 5.
A. 100; 18 B. 30; 18 C. 130; 12 D. 130; 100
Mathematics
Simplify the complex fraction: 
a. 
b. 
c. 
d. 
Mathematics
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(7, 28)}
B. 
C. {(2, 4)}
D. no solution; ?
Mathematics