Perform the indicated operation. Simplify if possible.
+ 
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Use linear interpolation to find the indicated value.The radius of a cone of fixed volume is related to the height according to the following table:
If the radius is 4.13 cm what is the height?
A. 7.532 cm B. 7.525 cm C. 7.475 cm D. 7.500 cm
Mathematics
Determine whether the ratios are equal.
A. Yes B. No
Mathematics
Use the properties of logarithms to simplify the expression.ln (x2 - 81) - ln (x + 9)
A. ln (x + 9) B. ln (x2 - 9) C. ln (x - 81) D. ln (x - 9)
Mathematics
Verify that the equation is an identity.cos
= -sin x
What will be an ideal response?
Mathematics