Find the domain of the variable in the equation. Write the answer in interval notation.
= 7 + 
A. (0, ?)
B. (-?, 0) ? (0, ?)
C. (6, ?)
D. (-?, 7) ? (7, ?)
Answer: A
Mathematics
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Simplify.-3x ? 8x
A. -24x B. -24x2 C. 5x2 D. 5x
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Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
b + c
A. 
B. 
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Solve the problem.Tom O'Donnell bought 17 Public Communications (PBC) bonds maturing in 2025. According to the bond table, the last price is listed as 
If the sales commission is $1 per bond, what is the total purchase price?
A. $14,445.75 B. $16,151.25 C. $14,428.75 D. $14,411.75
Mathematics
Simplify and add or subtract wherever possible.20
- 10
A. 30
B. 10
C. 10
D. 30
Mathematics