Simplify.
A. 70
B. 35
C. 1680
D. 140
Answer: A
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Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 350v B. 350u C. 140u D. 140v
Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. s2 - 2s - 3 < 0
A. (3, ?)
B. (-?, -1)
C. (-?, -1) ? (3, ?)
D. (-1, 3)
Complete the table for the equation.y + 3x = 19
A. 
B. 
C. 
D. 
Solve the problem.A chemistry department wants to make 3 L of a 17.5% basic solution by mixing a 20% solution with a 15% solution. How many liters of each type of basic solution should be used to produce the 17.5% solution?
A. 2 L of 15% solution and 1 L of 20% solution B. 1.5 L of 15% solution and 1.5 L of 20% solution C. 0.5 L of 15% solution and 2.5 L of 20% solution D. 1 L of 15% solution and 2 L of 20% solution