Solve the equation.
+ 2 = 7
A. ?
B. {25}
C. {81}
D. {47}
Answer: B
Mathematics
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Find the nth term of the given infinite series for which 
+ 
+ 
+ 
+ ...
A. 
B. 
+ 
C. 
D. 
Mathematics
Translate the problem to a system of equations, then solve using Cramer's Rule.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 500 gallons of gasohol containing 10% alcohol?
A. 208 gal 5%, 292 gal 12% B. 143 gal 5%, 357 gal 12% C. 357 gal 5%, 357 gal 12% D. 25 gal 5%, 60 gal 12%
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Use transformations to graph the function.Use the graph of log5x to obtain the graph of f(x) = -1 + log5x.
A. 
B. 
C. 
D. 
Mathematics
Estimate the sum or difference by first rounding each number to the nearest hundred.2974.69 - 909.7
A. 3000 B. 2000 C. 1900 D. 2100
Mathematics