Solve the problem.Factory A makes 11 model-A, 5 model-D, and 4 model-M train sets. Factory B makes 6 model-A, 8 model-D, and 8 model-M train sets. If model-A sells for $18, model-D for $22, and model-M for $35, write a 2 x 3 matrix to summarize the income by model.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.7k2 = 3k - 2
A. Cannot be solved by factoring B. (k + 1)(k - 3) = 0 C. (k + 2)(k - 7) = 0 D. (k - 1.4)2 = 0
Mathematics
Draw a complete graph so that it has the given type of symmetry.Symmetric with respect to the y-axis
A. 
B. 
C. 
D. 
Mathematics
Find the slope-intercept form of the equation of the line with the given properties.Horizontal; containing the point 
A. y = 4
B. y = 0
C. y = -4
D. y = - 
Mathematics
Write the indicated term of the binomial expansion.(2x + 3y)9; 7th term
A. 163,296x3y7 B. 489,888x3y6 C. 163,296x6y3 D. 244,944x6y3
Mathematics