Solve the equation.
= 
A. {-12}
B. {3}
C. {4}
D. {-4}
Answer: D
Mathematics
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Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.20, 13 , 6, -1, . . .
A. an = 20 - 7n; a20 = -120 B. an = 7n - 20; a20 = 120 C. an = 7n - 27; a20 = 113 D. an = 27 - 7n; a20 = -113
Mathematics
Divide.228 ÷ 8
A. 32 B. 28 R 4 C. 28 R 7 D. 28
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
Find the y-intercept.5y = 6x
A. - 
B. 
C. 1
D. 0
Mathematics