X is Normal(?4, 3).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
?4 , 9, 3
Mathematics
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Solve the equation.157 = 10x + 17
A. 134 B. 130 C. 1 D. 14
Mathematics
Find the domain of the rational function.f(x) = 
A. All real numbers except 0 B. All real numbers except 6 and 8 C. All real numbers except -6 and -8 D. All real numbers except 2 and -2
Mathematics
Simplify the algebraic expression.-7x - 5x
A. -12 + x B. -12x C. -2x D. 35x
Mathematics
Follow the principles of estimation to find an approximate value.Round the percent to the nearest one and dollars to the nearest ten thousand.Find 8.3% of $78,062.29.
A. $640,000.00 B. $64,000,000.00 C. $6400.00 D. $6479.17
Mathematics