Find the requested value.Find csc ? if sin ? = - 
and ? is in Quadrant IV.
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Write the fraction or mixed number as a percent.
A. 25% B. 1000% C. 12.5% D. 2.5%
Mathematics
Factor the perfect square.25x2 + 90x + 81
A. (5x - 10)2 B. (5x + 9)2 C. (5x - 9)2 D. (5x + 9)(5x - 9)
Mathematics
Solve the problem.A cross-country skier reaches the 13-km mark of a race 40 min after reaching the 
mark. Find the speed (average rate of change) of the skier.
A. 27 km/hr
B. 
km/hr
C. 
km/hr
D. 9 km/hr
Mathematics
Use the properties of logarithms to expand the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.) ? ln 9x ?
A. ln 9 - ln x
B. 
C. ln 9 × ln x
D. ln 9 + ln x
E. None of these
Mathematics