Solve the equation.
+ 5 = 0
A. ?
B. {-25}
C. {25}
D. {
}
Answer: A
Mathematics
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A. solution B. not a solution
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A cement mixture calls for 3 pounds of cement for 3 gallons of water. What is the ratio of water to cement? ? __________ to 1
Fill in the blank(s) with the appropriate word(s).
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Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-2, -5)} B. {(-2, 5)} C. no solution; ? D. {(5, -2)}
Mathematics