Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = - 
, ? < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the perimeter (P) of each figure.
A. 59 units B. 79 units C. 118 units D. not enough information given
Mathematics
Provide an appropriate response.Fill in the blanks to complete the statement. The graph of P(x) = 6(x - 9)2 - 7 is a parabola with axis of symmetry 
and vertex 
.
A. x = 6; (-9, -7) B. (-9, -7); x = -9 C. x = 9; (-9,-7) D. x = 9; (9, -7)
Mathematics
Decide whether or not the points are the vertices of a right triangle.(4, 8), (6, 12), (8, 11)
A. Yes B. No
Mathematics
Use radical notation to write the expression. Do not simplify.p-9/10
A. -
B. 
C. -
D. 
Mathematics