Use Cramer’s Rule to solve (if possible) the system of equations.
a. (–6, –2)
b. (6, –2)
c. (–6, 2)
d. (6, 2)
a. (–6, –2)
Mathematics
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Rephrase the statement in the requested symbolic form.contrapositive of a ? b
A. a ? ~b B. ~b ? ~a C. ~a ? ~b D. b ? a
Mathematics
Determine whether the statement is a self-contradiction, an implication, a tautology (that is not also an implication), or none of these.p ? (q ? p)
A. Implication B. Tautology C. Self-contradiction D. None of these
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."27x3 - 125y3
A. (3x + 5y2)(9x2 - 15xy + 25y2) B. (3x - 5y)(9x2 + 15xy + 25y2) C. (27x - 5y)(x2 + 15xy + 25y2) D. (3x - 5y)(9x2 + 25y2)
Mathematics
Subtract and, if possible, simplify.- 
- 
A. - 1
B. 
C. 1
D. - 
Mathematics