Find the product.4xy2(2x2 - 6y)
A. 6x3y2 - 10xy3
B. 8x3y2 - 24xy3
C. 8x2y2 - 24xy2
D. 6x2y2 - 10xy2
Answer: B
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Write an equation to represent the problem.Markus Lawson is 2 years older than three times Pam Lincoln's age. The sum of their ages is 64. Let a represent Pam's age.
A. a - (3a + 2) = 64 B. a + (3a + 2) = 64 C. a + (3a - 2) = 64 D. a + (a + 32) = 64
Solve the problem.For the triangle with vertices located at A(5, 3, 5), B(4, 4, 4), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.Markup = $15.07; Rate of markup based on cost = 57.5%. Find the cost and selling price.
A. Cost: $15.07 Selling price: $30.14 B. Cost: $26.21 Selling price: $41.28 C. Cost: $0.26 Selling price: $15.33 D. Cost: $41.28 Selling price: $26.21
Convert 
% to a decimal.
A. 0.068 B. 0.0068 C. 0.68 D. 6.8 E. 68