Evaluate the determinant.
A. 4a - 5b
B. -4a + 5b
C. ba - 20
D. 20 - ab
Answer: B
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Provide an appropriate response.Find the dual problem to the following: A company has two different locations to assemble three different models of PCs. The table below summarizes the daily production capacity, the minimum number of each type needed, and the daily operating costs for each location. What is the number of days that each location needs to operate in order to fill the orders at minimum cost. 
What will be an ideal response?
Solve.Lookout station B is located 13 mi due east of station A. The bearing of a fire from A is S9°30'W and the bearing from B is 
Determine the distance from the fire to B (to the nearest tenth of a mile).
A. 27.3 mi B. 29.3 mi C. 15.7 mi D. 13.7 mi
Translate to an equation and solve.What is 38% of 1390?
A. n = 0.038 × 1390; 52.82 B. n = 0.38 × 1390; 528.2 C. n = 38 × 1390; 52,820 D. 1390 = 0.38 × n; 5282
Find the quotient and the remainder.7x3 + 59x2 - 27x + 81 divided by x + 9
A. 7x2 - 4x + 9; remainder 0 B. x2 + 4x + 7; remainder 0 C. x2 + 5x + 6; remainder 0 D. 7x2 + 4x + 9; remainder 0