Provide an appropriate response.Find the value of the cos 123°.
Fill in the blank(s) with the appropriate word(s).
-0.5446
Mathematics
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Solve the problem.Find the second derivative of the the function 
A. 
B. 
C. 
D. 
Mathematics
Find a, such that the function 
has the domain (–4, 4).
a. a = –16
b. 
c. 
d. a = 16
e. a = 4
Mathematics
Use similar triangles to solve the application.A surveyor needs to determine the length L of a river, but he does not want to get wet. He lays out the similar triangles in the diagram. What is the length of the river?
A. 225 m B. 5625 m C. 25 m D. 375 m
Mathematics
Determine whether the statement is true or false.If two sets are uncountable, then they are equivalent.
What will be an ideal response?
Mathematics