Add or subtract as indicated. Express the answer as a single polynomial in standard form.(6x6 + 8x4 + 7) - (8x6 + 6x4 - 9)
A. -2x6 + 2x4 - 2
B. -2x6 + 2x4 + 16
C. -2x6 + 16x4 - 2
D. 16x10
Answer: B
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Solve the equation.
= -9
A. -15 B. -14 C. 1 D. 45
Find the sum.
+ 
+ 
+ 
+ ... + 
A. - 
(1 - 3n)
B. 
(1 - 3n)
C. - 
(1 - 3n)
D. - 
(1 - 3n)
Find the first term a1 and the common difference d of the arithmetic sequence.0.7, 0.62, 0.54, 0.46, 0.38, . . .
A. a1 = -0.08, d = 0.38 B. a1 = 0.7, d = -0.16 C. a1 = -0.08, d = 0.08 D. a1 = 0.7, d = -0.08
Translate the equation to a word sentence.2(x + 9) = -12x
A. Two times a number plus nine is equal to the product of negative twelve and the number. B. Two times a number and nine is equal to the product of negative twelve and the number. C. Two times the sum of a number and nine is equal to the number subtract twelve. D. Two times the sum of a number and nine is equal to the product of negative twelve and the number.