Use the choices below to fill in the blank. Choices may be used more than once or not at all.
An example of weighted mean is a calculation of 
.
A. sample standard deviation
B. range
C. grade point average
D. dispersion
Answer: C
Mathematics
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In the problem, sin ? and cos ? are given. Find the exact value of the indicated trigonometric function.sin ? = 
, cos ? = 
Find sec ?.
A. 
B. 
C. 
D. 
Mathematics
Write the logarithmic equation as an exponential equation.log525 = 2
A. 252 = 5 B. 25 = 25 C. 525 = 2 D. 52 = 25
Mathematics
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
- 
A. - 
B. - 
C. 
D. - 1
Mathematics
Collect like terms.-12y - 5x - 7x
A. -12y - 2x B. -12y - 12x C. -24xy D. -12y + 2x
Mathematics