The figure shows the results of a recent survey in which 14 adults were asked to grade U.S. public schools. An adult is selected at random. What is the probability the adult will give the U.S. public schools a C or a D? (
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?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Solve the problem.Write 0.71
as an infinite geometric series and use the formula for S? to write it as a rational number.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.You have 312 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.
A. 156 ft by 39 ft B. 156 ft by 156 ft C. 78 ft by 78 ft D. 80 ft by 76 ft
Mathematics
Determine whether the system of equations is consistent or inconsistent. If the system is consistent, determine whether the equations are dependent or independent.
A. Independent B. Inconsistent C. Dependent
Mathematics
Find the vertex of the parabola.y = x2 + 14x + 50
A. (-1, 7) B. (7, -1) C. (1, -7) D. (-7, 1)
Mathematics