The distance from each vertex of a polygon and a central point is: a = 8", b = 7", c = 6", and d = 4.5". The distance of each vertex of its dilation and a central point is: a' = 
", b' = ?, c' = ?. Find b' and c' by first finding the scale factor:
?
A.
?Scale Factor: 3, b' = 
", c' = 2"
B.
?Scale Factor: 
, b' = 21", c' = 18"
C.
?Scale Factor: 
, b' = 
", c' = 2"
D.
?Scale Factor: 
, b' = 
", c' = 18"
E.
?Scale Factor: 3, b' = 21", c' = 18"
Answer: C
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Use the binomial theorem to expand the expression.(4x + 1)5
A. 1024x5 + 20x4 + 160x3 + 160x2 + 20x + 1 B. 1024x5 + 256x4 + 64x3 + 16x2 + 4x + 1 C. 1024x5 + 1280x4 + 640x3 + 160x2 + 20x + 1 D. (16x2 + 8x + 1)5
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(1, 4)} C. {(-1, -4)} D. {(4, 1)}
Solve the problem.The minute hand of a clock is 5 inches long. How far does the tip of the minute hand move in 55 minutes? If necessary, round the answer to two decimal places.
A. 27.06 in. B. 31.31 in. C. 28.8 in. D. 30.03 in.
Solve.
? 0
A. (-?, -3) ? 
, or 
B. 
? [3, ?), or 
C. 
, or 
D. 
, or 