Solve the system by the method of substitution.
?
?
A. (-20, -40)
B. No solution
C. (20, 40)
D. 
E. 
Answer: B
Mathematics
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Use either the binomial theorem or Pascal's Triangle to expand the binomial.(5x + 3)3
A. 25x2 + 30x + 9 B. 125x3 + 225x2 + 135x + 27 C. 125x3 + 225x2 + 225x + 27 D. 25x6 + 15x3 + 729
Mathematics
Find the midpoint of the segment connecting the given endpoints.(7, 6), (8, 5)
A. 
B. 
C. (-1, 1)
D. (15, 11)
Mathematics
Find exactly all ?, with 0 ? ? < 2?, for which sin ? = 
What will be an ideal response?
Mathematics
Find the quotient.-88 ÷ (11)
A. -18
B. -8
C. 8
D. - 
Mathematics