?Use Cramer's Rule to solve the system of equations 
.
?
A. ?
, 
B. ?
, 
C. ?
, 
D. ?
, 
E. ?
, 
Answer: E
Mathematics
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Solve the problem.Numbers is a game where you bet $1.00 on any three-digit number from 000 to 999. If your number comes up, you get $600.00. Find the expected net winnings.
A. -$1.00 B. -$0.42 C. -$0.50 D. -$0.40
Mathematics
Find the standard form of the equation of the hyperbola satisfying the given conditions.Foci: (0, -8), (0, 8); vertices: (0, -5), (0, 5)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 22t + 112. For what values of t will there be a profit (that is, P > 0)?
A. 0 < t < 8 or t > 14 B. t = 22 C. t = 8 or t = 14 D. 8 < t < 14
Mathematics
Solve.x2 + 3x - 108 = 0
A. 12, -9 B. -12, 9 C. -12, 1 D. 12, 9
Mathematics