Find the vertex.f(x) = -(x + 2)2 + 5
A. (5, -4)
B. (- 5, -2)
C. (-2, 5)
D. (-5, 2)
Answer: C
Mathematics
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Solve the problem.?1 and ?2 are complementary angles. What are the measures of the two angles? 
A. ?1 = 19°, ?2 = 71° B. ?1 = 26°, ?2 = 90° C. ?1 = 22.5°, ?2 = 81.5° D. ?1 = 41.5°, ?2 = 138.5°
Mathematics
Solve the problem.A radio telescope has a parabolic surface. If it is 1 meter(s) deep and 
wide, how far is the focus from the vertex?
A. 25 m B. 1 m C. 100 m D. 5 m
Mathematics
Solve the problem.If sin x = 
and 
< x < ?, find sec x.
A. - 
B. 
C. - 
D. - 
Mathematics
Write the percent as a fraction or mixed number in lowest terms.
%
A. 4
B. 
C. 
D. 
Mathematics