Factor by grouping.ax + bx - ay - by
A. (x + y)(a - b)
B. (x + y)(a + b)
C. (x - y)(a - b)
D. (x - y)(a + b)
Answer: D
Mathematics
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Use the inverse variation model to find the following.Suppose b varies inversely as c. Find the equation that relates b and c if it is known that b = 32 when 
Then use this equation to determine b if c is 2.
A. b = 36
B. b = 72
C. b = 
D. b = 144
Mathematics
Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 0, 
= 
?
C. 
= 2?, 
= 2?
D. 
= 
?, 
= 
?
Mathematics
Convert to base ten.555six
A. 215 B. 110 C. 82 D. 1000
Mathematics
Write the statement in words and decide whether it is true or false.
? 
What will be an ideal response?
Mathematics