Solve the equation.3x = -18
A. {-3}
B. {-6}
C. {6}
D. {3}
Answer: B
Mathematics
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Use Identities to find the exact value.cos 165°
A. 
B. 
C. 
D. 
Mathematics
Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.
, - 
, 
, - 
, ...
A. an = 
- 
(n - 1)
B. an = 
n - 1
C. an = 
n - 1- 
D. an = 
- 
(n - 1)
Mathematics
List the x- and y-intercepts, and graph the function.f(x) = 
A. x-intercept: (1, 0) , y-intercept: 
;
B. x-intercept: (-1, 0) , y-intercept: 
;
C. x-intercept: (1, 0) , y-intercept: 
;
D. x-intercept: (-1, 0) , y-intercept: 
;
Mathematics
Use a calculator to approximate the expression to three decimal places. If the expression is not a real number, state this.
A. -79.000 B. -8.888 C. 8.888 D. not a real number
Mathematics