Solve the problem with three unknowns.The sum of a student's three scores is 207. If the first is 13 points more than the second, and the sum of the first two is 3 more than twice the third, what was the first score?
A. 63
B. 55
C. 76
D. 68
Answer: C
Mathematics
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and directrix x = -13.
 multiple choice.png)
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Add or subtract the mixed numbers.7
+ 14
+ 16
A. 39
B. 38
C. 38
D. 37
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Factor the polynomial.121p2 - 9q2
A. (11p + 3q)2 B. (121p + q)(p - 9q) C. (11p - 3q)2 D. (11p + 3q)(11p - 3q)
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Write out the first five terms of the sequence.an = 
A. 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
D. 
, 
, 
, 
, 
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