Fill in the blank with one of the words or phrases listed below. 
By the 
property of equality, the same number may be added to or subtracted from both sides of an equation without changing the solution of the equation.
A. positive
B. multiplication
C. absolute value
D. addition
Answer: D
Mathematics
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Find the standard deviation for the given data. Round your final answer to one more decimal place than that used for the observations.Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores.53?20?280?25?11?47?56
A. 280 B. 94.1 C. 87,700 D. 34,580.6
Mathematics
Decide whether the statement is true or false.The x-intercepts of the ellipse with equation 
+ 
= 1 are (7, 0) and (-7, 0).
A. True B. False
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = x4 - 6x3 + 6x2 + 6x - 7
k = 1
A. ±1, -3 ± 2i
B. ±1, 3 ± 2i
C. ±1, -3 ± 
i
D. ±1, 3 ± 
Mathematics
Evaluate.(-1)14
A. -1 B. -14 C. 1 D. 14
Mathematics