Simplify the expression.54
A. -625
B. -20
C. 625
D. 20
Answer: C
Mathematics
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The histogram shows the scores of each participant in a game from a total of 100 participants. 
How many participants scored fewer than 80?
A. 81 participants B. 100 participants C. 3 participants D. 97 participants
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Find the center and radius of the circle by completing the square.x2 + 6x + y2 - 8y + 21 = 0
A. (3, -4); r = 4 B. (3, -4); r = 2 C. (-3, 4); r = 2 D. (-3, 4); r = 4
Mathematics
Change the word statement to an equation. Use x as the variable.13 divided by a number equals 
times that number."
A. 
= 
B. 
= 
x
C. 
= 8x
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Find the quotient, and write in lowest terms, if necessary.- 
÷ 
A. 
B. - 
C. - 
D. 
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