Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= -2
A. ?
B. {-2}
C. {-1}
D. {2}
Answer: D
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Find the exact value of the trigonometric expression without the use of a calculator.sin 75°
A. 
B. - 
C. - 
D. 
Solve the problem.Assume that the following table shows the market prices in dollars per pound that a trucker can get for his load of fruit in three cities: San Francisco (S.F.), Las Vegas (L.V.), and Los Angeles (L.A). 
A trucker has a load of 4000 pounds of peaches and 3000 pounds of apples. Use matrix multiplication to compute the total market value of his load in each of the three cities.
A. 
B. 
C. 
D. 
Solve the system by graphing.
x - 
y = 5
x + 
y = 12
A. x = 4, y = -3 B. x = 3, y = 4 C. x = 4, y = 3 D. x = 3, y = 1
Solve the problem.The diagram shows the roads connecting four cities. Write a matrix to represent the number of routes between each pair of cities without passing through another city.WY
XZ
A. 
B. 
C. 
D. 
