Solve for x:

a. 7
b. 9
c. 13
d. 21


d. 21
The solution to the equation is 21.

Mathematics

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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 6°

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Graph the conic section.y2 - 6y + 12x + 57 = 0

A.

B.

C.

D.

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Find the requested composition of functions.Given f(x) =  and g(x) = x - 1, find g?f(x).

A.
B.   
C.  - 1
D.   

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