Add.21963427
A. 11,690
B. 10,900
C. 11,900
D. 11,879
Answer: C
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Multiply.(x + y - 4)(x + y + 4)
A. x2 + 8xy + y2 - 16 B. x2 + y2 - 16 C. x2 + 2xy + y2 + 8x + 8y - 16 D. x2 + 2xy + y2 - 16
Subtract and simplify. Write the answer as a mixed number as needed.11 - 4
A. 7
B. 7
C. 10
D. 6
Write the expression in the standard form a + bi.2i(3 - 4i)
A. 6i + 8i2 B. 6i - 8i2 C. 8+ 6i D. 6i- 8
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
per foot for two opposite sides, and 
per foot for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose. Round to the nearest tenth.
A. 30 ft @ $4 by 24 ft @ $5 B. 24 ft @ $4 by 30 ft @ $5 C. 33.5 ft @ $4 by 21.5 ft @ $5 D. 21.5 ft @ $4 by 33.5 ft @ $5