Solve the equation.
= 
A. 28
B. 48.3
C. 3.5
D. 14
Answer: D
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Illustrate Goldback's conjecture for the following number.12
A. 22 ? 3 B. 6 + 6 C. 3 + 9 D. 5 + 7
Use the Hamilton method to make the assignment.City A, City B, and City C are cooperating to build a community center catering to the three cities. Seats on the 
committee are assigned according to the populations of the cities. The population of City A is 18,000, City B is 21,000, and City C is 22,000. Assign the seats to the committee.
A. City A: 4; City B: 4; City C: 3 B. City A: 4; City B: 3; City C: 4 C. City A: 3; City B: 4; City C: 4 D. City A: 2; City B: 5; City C: 4
Find the perimeter of the figure.A concrete curb is to be built around a parking lot. How many meters of curbing will be needed?
A. 174 m B. 139 m C. 87 m D. 1820 m
Solve the inequality and graph the solution set.| r + 6 | > 4
A. -10 < r < -2 ; (-10, -2)
B. No solution
C. r > -2 ; (-2, ?)
D. r < -10 or r > -2 ; (-?, -10) ? (-2, ?)