Decide which variable has a coefficient of 1 or -1, and solve for that variable in terms of the other variable.
2y – x = 7
A. x = 2y + 7
B. x = 7y + 2
C. x = 7y – 2
D. x = 2y – 7
E. x = 7 – 2y
D. x = 2y – 7
Mathematics
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Evaluate the factorial expression.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. - 
(7x2 + 3)-4 + C
B. - 
(7x2 + 3)-6 + C
C. - 
(7x2 + 3)-6 + C
D. - 
(7x2 + 3)-4 + C
Mathematics
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log17
A. 
log17mn - 
log178
B. 
log17m + 
log17n - log178
C. 
log17m ? 
log17n ÷ 
log178
D. 
log17m + 
log17n - 
log178
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.425 mi = 
km
A. 450.5 km B. 263.9 km C. 402.1 km D. 684.3 km
Mathematics