Find the GCD or LCM as indicated.Given 21, 24, and 27 , find the GCD.
A. 6
B. 1
C. 3
D. 21
Answer: C
Mathematics
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The revenue for a small company is given by the quadratic function 
where t is the number of years since 1998 and r(t) is in thousands of dollars. If this trend continues, find the year after 1998 in which the company's revenue will be $2185 thousand. Round to the nearest whole year.
A. 2009 B. 2011 C. 2010 D. 2020
Mathematics
Solve the problem.y varies directly as z and y = 306 when z = 18. Find y when z is 19.
A. 324 B. 289 C. 323 D. 361
Mathematics
Find the exact value in degrees.csc-1 (2)
A. 60° B. 30° C. -30° D. 420°
Mathematics