Find an equation of the line containing the given pair of points
and 
A. y = 
x
B. y = - 
x
C. y = 
x + 
D. y = 
x - 
Answer: C
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Decide whether the two sequences of operations give the same result.Dividing r by 5, then dividing s by 5, then multiplying the quotients; multiplying r and s, then dividing by 5.
A. Yes B. No
If ?A is an acute angle in a right triangle and cos A=
, find sin A. Leave the answer in fraction form.
What will be an ideal response?
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 1000, 125 B. 2000, 125 C. 1000, 31 D. 1000, 8000
Suppose that a circle is to contain the three vertices of a triangle. Relative to the triangle, which point is used as the center of this circle?
A. incenter B. circumcenter C. orthocenter D. centroid