Simplify.
A. 1
B. 3
C. -2
D. 2
Answer: D
Mathematics
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Solve the problem.Follow the pattern in the triangle on the left to place the numbers 2, 3, 4, 5, 6, 7, in the triangle on the right.
A. 
B. 
C. 
Mathematics
Use the discriminant to determine the number and type of solutions for the equation.4x2 + 5x + 8 = 0
A. Two complex solutions (containing i) B. One real solution C. Two real solutions
Mathematics
Graph the solution set of the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest ten. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 12,910 ; yes B. Estimate: 12,820 ; no C. Estimate: 12,620 ; yes D. Estimate: 12,850 ; no
Mathematics