Find the real or imaginary solutions by completing the square.x2 + 4x + 8 = 0

A. {2 ± 2i}
B. {-2 ± 2i}
C. {0, -4}
D. {-2 ± 2}


Answer: B

Mathematics

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Solve. Give your answer as a mixed numeral.A courier distributes packages along two routes. The northern route can be completed in 5 minutes, whereas the southern route takes 9 minutes. Find the total time it takes to complete the deliveries for one month if the northern route is taken 29 times and the southern route 50 times.

A. 585 min
B. 104 min
C. 314 min
D. 629 min

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Solve.The parallelogram has base length 5y5 meters and height 4y6 meters. Find its area as an expression in y.  

A. 9x30 sq m B. 20x11 sq m C. 9x11 sq m D. 20x30 sq m

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Solve the problem.One maid can clean the house three times faster than another. Working together they can clean the entire house in 3 hours. How long would it take the faster maid cleaning alone?

A.  hr
B. 3 hr 
C. 5 hr 
D. 4 hr 

Mathematics

Refer to right triangle ABC with . Solve for all the missing parts using the given information. ? ? Round each answer to the nearest whole number. ?

A. ?
B. ?
C. ?
D. ?
E. ?

Mathematics