Subtract.(+9) - (+19)
A. -10
B. 10
C. 28
D. -28
Answer: A
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Write the converse, inverse, or contrapositive off the proposition, as indicated.If the alarm beeps every thirty seconds, then you have to replace the battery. (converse)
A. If you do not have to replace the battery, then the alarm does not beep every thirty seconds. B. If you have to replace the battery, then the alarm does not beep every thirty seconds. C. If you have to replace the battery, then the alarm beeps every thirty seconds. D. If the alarm does not beep every thirty seconds, then you do not have to replace the battery.
Represent the following with a graph.Create a graph that models the bordering relationship among the states shown in the map. Use vertices to represent the states and edges to represent common borders.
A. 
B. 
C. 
D. 
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
-2
A. 
B. 
C. 
D. 
Solve the inequality graphically. Give the solution in interval notation.Use the intersection method to solve 13x - 4 ? 12x - 2.
A. (-?, 13) B. (13, ?) C. (-?, 2] D. [2, ?)