Do the operation and express the answer in a + bi form.
?

?

A. - 8 + 14i
B. 8 + 7i
C. - 8 + 7i
D. - 8 - 7i
E. 8 - 7i

Answer: E

Mathematics

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A. x = 
B. x = 
C. x = 
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Solve the polynomial inequality.x4 - 5x3 ? 102x2 - 296x - 2240

A. [-8, 10] B. (-8, -4) ? [7, 10] C. [-8, -4] ? (7, 10) D. [-8, -4] ? [7, 10]

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Find the product. Leave answer reduced to lowest terms.  ? 

A. (2z - 7)(x - 10)
B.
C. (2z + 7)(x - 10)
D.

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A rectangular tank is ft. by ft. by

class="wirisformula" /> ft. Gasoline weighs approximately 3. Find the weight of gasoline if the tank is full.  A. 7,234 pounds B. 6,720 pounds C. 4,466 pounds D. 3,952 pounds E. 5,197 pounds

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