Solve the equations.2x2 = 49

A. ± 
B. ± 
C. ± 
D. ± 

Answer: B

Mathematics

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Solve the problem.Calculate the volume of the parallelepiped with edges a = , b = , and c = .

A. -18 B. 648 C. 324 D. 0

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Mathematics

Find the standard deviation for each data set. Round to one more place than the data.17, 12, 10, 13, 5, 17, 7, 6, 9

A. 4.4 B. 4.2 C. 4.8 D. 1.3

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Mathematics

Determine the domain and range of the function. Then graph it.f(x) = 

A. domain = [2, ?), range =[0, ?)

B. domain = [0, ?), range = [-2, ?)

C. domain = (-?, ?), range = [2, -2]

D. domain = (-?, ?), range = (-?, ?)

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A.  log2m +  log2n -  log2k
B. 5 log2m + 9 log2n - 2 log2k
C.  log2m +  log2n - 2 log2k
D.  log2m ?  log2n ÷ 2 log2k

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Mathematics