Solve the matrix equation for X.Let A = 
and B = 
;
4X + A = B
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: B
Mathematics
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Multiply.(
)(
)
A. 8
B. 12
C. 
D. 
Mathematics
Solve the problem.Refer to the following preference schedule. If the Borda count method is used to determine the winner, is Fairness Criterion 1 satisfied?
A. Yes B. No
Mathematics
Give all possible rational zeros for the polynomial.f(x) = 10x7 + 40x3 + 2x - 5
A. ±1, ± 
, ±5, ± 
, ± 
B. ±1, ± 
, ±5, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ± 
, ±5, ±10
D. ±1, ±5, ± 
Mathematics
Solve the equation.
= 
+ 
A. 
B. -3
C. 3
D. no solution
Mathematics