Use the circle graph to solve the problem.A survey of the 9073 vehicles on the campus of State University yielded the following circle graph.
Together, what percent of the vehicles are either vans or convertibles?
A. 18%
B. 25%
C. 11%
D. 126%
Answer: B
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Find the inverse of the function.f(x) = 2x + 3
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
- 3
D. Not a one-to-one function
Solve the problem.A theater has 30 rows with 24 seats in the first row, 28 in the second row, 32 in the third row, and so forth. How many seats are in the theater?
A. 5040 seats B. 2520 seats C. 2460 seats D. 4920 seats
Simplify the expression. Assume that all variables are positive when they appear.
A. 10x3y4 
B. 10y4 
C. 10x7y8 
D. 10x3y4 
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with 
corresponding to January, 
, and 
Determine the month with the least sales and give the sales in that month.
A. September; $3900 B. June; $3300 C. March; $10,500 D. December; $7200