Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. not applicable
B. x = 2, y = 3; (2, 3)
C. x = 1, y = 3; (1, 3)
D. x = 
, y = - 
; 
Answer: A
Mathematics
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Find the general solution of the equation.y'(t) - 
= -17
A. y = C
B. y = Ce20x + 
C. y = Cex/20 + 340
D. y = Cex/20 - 340ex
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Solve the problem.Carney and Dobler sell home and mortgage insurance. Their sales for the months of July and August are given in the matrices. Home MortgageA = 
J = 
Find the matrix that would give the change in sales.
A. 
B. 
C. 
D. 
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Simplify the expression. All exponents should be positive integers.(x5)-9
A. 
B. - x45
C. -9x45
D. -9x5
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Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis horizontal with length 20; length of minor axis = 16; center (0, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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