Write a variable expression to describe the situation.The attendance at the theater on Friday night was greater than the attendance on Saturday night. The difference in the attendance between the two nights was 754 people. Use f for the number of people at the theater on Friday and s for the number of people at the theater on Saturday.
A. 
= 754
B. f - s = 754
C. s - f = 754
D. f + s = 754
Answer: B
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Provide an appropriate response.Simplify the rational expression: 
A. 
B. 
a4b2
C. 
D. 
Use an equation to solve the problem.Sales tax on a $14 compact disc is $0.84. At what rate is sales tax computed?
A. 2% B. 6% C. 8% D. 5% E. 3%
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(9x1/3y1/3)2
A. 81x2y2 B. 81x1/6y1/6 C. 81x2/3y2/3 D. 81x1/9y1/9
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. -4x + 4y = 7-16x + 16y = 28
A. infinitely many solutions and dependent B. inconsistent C. (1, 1) D. (0, 0)