Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the sum of the series.
A. 
B. 7
C. 14
D. 
Mathematics
Solve the system using Gaussian elimination. 4x + y = 8 9x + 5y = 7
A. ? B. {(-4, 3)} C. {(3, -4)} D. {(-4, -3)}
Mathematics
Find the quotient.
A. 8x8y - 9x8y4 B. 8x7y - 9x8y4 C. 8x7 - 9x8y4 D. 8x7y - 9x8y5
Mathematics
Find the indicated term of the arithmetic sequence.6.2, 5.6, 5, . . . ;9th term
A. 0.8 B. 2 C. 1.41 D. 1.4
Mathematics