Solve the equation by factoring.x2 - 7x - 18 = 0
A. {-2, 9}
B. {-2, -9}
C. {2, 9}
D. {2, -9}
Answer: A
Mathematics
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Which of the following is not equivalent to the fraction 
??
?
A.
?.8
B.
?
C.
?0.8
D.
??.80
E.
?1.2 - 0.4
F.
?.7
Mathematics
Write using radical notation. Then, simplify, if possible.324/5
A. 128 B. 256 C. 512 D. 16
Mathematics
Provide an appropriate response.Determine the type of polynomial, according to the number of terms: 5(x - 4)
A. monomial B. trinomial C. binomial D. none of the above
Mathematics
Solve the given equation for the indicated variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 
Mathematics