Factor out the GCF.xz - xy
A. x
B. x(z + y)
C. x(z - y)
D. xz(-xy)
Answer: C
Mathematics
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Find the partial derivative of the dependent variable or function with respect to each of the independent variables.z = xye-y
A. 
= ye-y; 
= xe-y
B. 
= ye-y; 
= - xye-y
C. 
= ye-y; 
= xe-y(y - 1)
D. 
= ye-y; 
= xe-y(1 - y)
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log5 30.99
A. 1.4912 B. 6.1980 C. 0.4687 D. 2.1335
Mathematics
Graph the linear equation by finding and plotting its intercepts.y = 
x - 2
A. 
B. 
C. 
D. 
Mathematics
Solve the polynomial equation in the complex numbers.x3 + 5x2 + 7x - 13 = 0
A. {1, 2 + 3i, 2 - 3i}
B. {-1, -3 + 
, -6 - 
}
C. {1, -3 + 2i, -3 - 2i}
D. {1, 2 + 
, 2 - 
}
Mathematics