Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
Mathematics
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The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x3, x0 = 9, dx = 0.02
A. 0.016212 B. 0.005404 C. 0.010808 D. 0.021616
Mathematics
Solve the equation.8x - (4x - 1) = 2
A. - 
B. - 
C. 
D. 
Mathematics
Provide an appropriate response.Exact interest using exact time requires the following formula:
A. 30 divided by 365 B. exact days divided by 360 C. exact days divided by 365 D. 30 divided by 360
Mathematics
The information below refers to triangle ABC.
?
m. Find all the missing parts.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 
m, 
m
B. 
m, 
m
C. 
m, 
m
D. 
m, 
m
E. 
m, 
m
Mathematics