Find the given trigonometric function of the indicated angle using triangle ABC. cos C, where a=8, b=18, c=25.
Mathematics
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Find the domain of the expression.
?
?
A. All real numbers x such that 
B. All real numbers x
C. All real numbers x such that x ? 4
D. All real numbers x such that x < 4
E. All nonnegative real numbers x such that x = 4
Mathematics
Find the average rate of change of the function over the given interval. f(x) = 4x2, 
A. - 
B. 7
C. 2
D. 
Mathematics
Evaluate with a calculator.log6 
A. 6 B. 2 C. -6 D. -2
Mathematics
Multiply.
(-6)
A. 
B. - 
C. - 
D. 
Mathematics