Perform the indicated operations. Express the answer as a single polynomial in standard form.-9x3(-2x7 - 9)
A. 99x3
B. 18x10 + 81x3
C. 18x10 - 9
D. 18x7 + 81
Answer: B
Mathematics
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Find the standard deviation for each data set. Round to one more place than the data.196, 205, 215, 185, 229, 278, 165
A. 30.2 B. 12.7 C. 36.2 D. 33.1
Mathematics
Perform the division.
A. 7x2 - 8 + 
B. 7x - 8 + 
C. 7x2 - 8 + 
D. 7x - 8 + 
Mathematics
Solve the problem.The period P of a pendulum, in seconds, is given by the formula P = 2? 
, where L is the length of the pendulum. Rewrite the formula, by rationalizing the denominator on the right hand side.
A. P = 
B. P = 
C. P = 
D. P = 2? 
Mathematics
Factor completely.2x4 - 2
A. 2(x2 + 1)(x2 - 1) B. 2(x2 + 1)(x - 1)2 C. 2(x2 + 1)(x + 1)(x - 1) D. 2(x2 + 1)(x + 1)2
Mathematics