Combine the complex numbers.[(4 + 6i) - (1 + 8i)] - (5 - 7i)
A. -2 + 5i
B. 10 + 7i
C. -2 + 7i
D. 10 + 5i
Answer: A
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Provide an appropriate response.Why is it not possible to choose h and k, neither zero, so the parabola 
has its vertex at the origin?
What will be an ideal response?
Solve the equation. Give an approximate solution to four decimal places.e(x + 3) = 7
A. {2.3026} B. {-1.0541} C. {-0.9851} D. {-0.6974}
Solve the problem.The following chart shows the number of injuries in Babyland caused by drinking from aluminum cans for children 3 and under for the years 1995-2000.
Use the data from 1995 and 2000 to find a linear function that can be used to estimate the number of aluminum can injuries I, x years after 1995. Use your function to predict those years for which the number of aluminum can injuries will exceed 80,000.
A. I(x) = 4640x + 25,100; Years after 2006 B. I(x) = 4540x + 25,600; Years after 2007 C. I(x) = 4640x + 25,100; Years after 2005 D. I(x) = 4540x + 25,600; Years after 2008
Determine whether the statement is true or false.5[4 + (8 - 6)] < 28
A. False B. True