Find the value of the missing number.? + 23 = -21
A. -2
B. 44
C. 2
D. -44
Answer: D
Mathematics
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Solve the problem.Find the value of x so that the shaded figure is a gnomon to the white triangle.
A. 36 B. 24 C. 39 D. 26 E. none of these
Mathematics
Solve the equation.4(y + 8) = 5(y - 7)
A. {-67} B. {-3} C. {3} D. {67}
Mathematics
Divide.-28.5 ÷ 57
A. -0.5 B. 5 C. -1.5 D. -5
Mathematics
Find the domain of the rational expression. 
A. {x|x is a real number and x ? -1} B. {x|x is a real number} C. {x|x is a real number and x ? 1} D. {x|x is a real number and x ? 1 and x ? 3}
Mathematics