Use Cramer's rule to solve the system. 4x + 5y=67 -2x + 2y=-2
A. {(8, 7)}
B. {(8, -7)}
C. {(7, 8)}
D. {(-7, 8)}
Answer: A
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 winnings.
A. -$1.00 B. -$0.50 C. -$0.42 D. -$0.40
Mathematics
Write a polar equation of a conic that has its focus at the origin and satisfies the given conditions. Parabola, directrix y = -3
 figure 1.png)
Mathematics
Graph the line containing the point P and having slope m.P = (-1, 10); slope undefined 
A. 
B. 
C. 
D. 
Mathematics
Write the equation of the line with the given slope and y-intercept.Slope = - 
; y-intercept = 4
A. y = - 
x + 3
B. y = - 
x + 4
C. y = - 
x + 3
D. y = 
x + 4
Mathematics