Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 4x - 7 = 0
A. {-2 + 
, -2 - 
}
B. {2 + 
, 2 - 
}
C. {2 + 
, 2 - 
}
D. {4 + 
, 4 - 
}
Answer: B
Mathematics
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Solve the equation for the indicated variable.V = 
Ah
for A
A. A = 
B. A = 
C. A = 
D. A = 
Mathematics
A dart is thrown randomly and sticks on the circular dart board shown. Find the requested probability. Assume that all sectors are the same size and that the dart does not land on a border between shaded areas. 
Find the probability that the dart lands on an odd number.
A. 
B. 
C. 
D. 1
Mathematics
Graph the ordered pair on a polar coordinate system.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.x + y = -6x + y = 2
A. {(-6, 2)}
B. {(0, -4)}
C. {
x + y = -6}
D. ?
Mathematics