Solve the problem.A survey of the 4511 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. 10%
C. 26%
D. 144%
Answer: C
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Use exponential notation to write the repeated multiplication.9 ? 9 ? 9 ? 9
A. 92 B. 49 C. 36 D. 94
Find the indicated trigonometric ratios.
Find tan A and cot A.
A. tan A = 
; cot A = 
B. tan A = 
; cot A = 
C. tan A = 
; cot A = 
D. tan A = 
; cot A = 
Solve the problem.Lotoff's Fashion Corner received a new line of paisley ties that had a net cost of $28 each. If they were given a series discount of 20/40, find the list price.
A. $70.00 B. $13.44 C. $58.33 D. $11.20
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. log2(x + 4) -log2x B. 7log2x -log2(x + 4) C. log2(x + 4) - 7log2x D. log2(x + 4) + 7log2x