Use Cramer's rule to solve the linear system.2x + 2y = 23x + y = -3
A. (3, -2)
B. (-2, 3)
C. (-3, -2)
D. (2, -3)
Answer: B
Mathematics
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Solve.How long will it take for the population of a certain country to double if its annual growth rate is 6.3%? (Round to the nearest year.)
A. 11 yr B. 5 yr C. 32 yr D. 1 yr
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Graph the equation.y = 3x
A. 
B. 
C. 
D. 
Mathematics
Find the requested probability.A child rolls a 6-sided die 6 times. What is the probability of the child rolling exactly four fives?
A. .5360 B. .9688 C. .3125 D. .0080
Mathematics
Find an equation in slope-intercept form of the line that passes through the given point and has slope m.(12, -2); m = - 
A. y = - 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = 
x - 
Mathematics