Let p represent a true statement, and let q and r represent false statements. Find the truth value of the given compound statement.~[(~p ? ~q) ? ~q]
A. False
B. True
Answer: A
Mathematics
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Solve the problem.Mardi received an inheritance of $40,000. She invested part at 7% and deposited the remainder in tax-free bonds at 8%. Her total annual income from the investments was $2900. Find the amount invested at 7%.
A. $29,000 B. $37,100 C. $15,000 D. $30,000
Mathematics
For the given rectangular equation, write an equivalent polar equation.x2 + y2 - 4x = 0
A. r = 4 cos ? B. r sin2? = 4 cos ? C. r = 4 sin ? D. r cos2? = 4 sin ?
Mathematics
Add or subtract as indicated.- 
- 
A. - 
B. - 1
C. - 
D. 
Mathematics
Perform the indicated operation.
+ 
A. 10
B. 
C. 5
D. 
Mathematics