Solve by addition or substitution. x + 2y = -4-5x + 2y = 32
A. (-1, -6)
B. (-5, 0)
C. (-6, 1)
D. ?
Answer: C
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Find the exact value by using a sum or difference identity.sin 255°
A. - 
B. - 
C. 
D. 
Use the ratio test to determine if the series converges or diverges.
A. Diverges B. Converges
Provide an appropriate response.Suppose a TV dealer has stores A and B and warehouses C and D. The cost of shipping a TV is $18 from C to A, $9 from C to B, $24 from D to A, and $15 from D to B. Suppose that store A orders 25 TV sets and store B orders 30 TV sets. Also suppose that warehouse C has 40 TV sets and warehouse D has 45 TV sets available. Find the best way to minimize cost and find the minimum cost (Hint: Let x1 be the number of TV sets shipped from C to A and x2 be the number of TV sets shipped from C to B. Thus, 25 - x1 is the number of TV sets shipped from D to A and 30 - x2 is the number of TV sets shipped from D to B.)
What will be an ideal response?
Write the expression in the standard form a + bi.
A. 4 - 6i B. -6 + 4i C. -6 - 4i D. 4 + 6i