Solve the problem.An auditorium has 20 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 620 seats
B. 400 seats
C. 390 seats
D. 580 seats
Answer: D
Mathematics
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Solve.-9x + 5(2x - 2) = -4 - 5x
A. {
}
B. {- 1}
C. {- 
}
D. {1}
Mathematics
Determine whether the integration formula is correct. 
dx = 
cos-1 9x - 
+ C
A. Yes B. No
Mathematics
Use a truth table to determine whether the symbolic form of the argument is valid or invalid.p ? q
? ~q
A. Valid B. Invalid
Mathematics
Solve the equation.5x = 
A. {4}
B. 
C. 
D. {-4}
Mathematics