Find the product of the given binomial and its conjugate.
- 7
A. -44 - 14
B. 54
C. -24 + 14
D. -44
Answer: D
Mathematics
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A. 11 B. 7 C. 31 D. 35
Mathematics
Write an algebraic equation and use it to solve the problem.A hot air balloon spent several minutes ascending. It then stayed at a level altitude for three times as long as it had ascended. It took 4 minutes less to descend than it did to ascend. The entire trip took one hour and 31 minutes. For how long was the balloon at a level altitude?
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If 
, find 
.
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Mathematics