Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: C
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Use a truth table to determine whether the argument is valid.p ? ~q
p ? q
A. Valid B. Invalid
Evaluate the expression for the given replacement values.
, for x = 24.01, y = 2.4
Round to the nearest hundredth.
A. 15.43 B. 34.14 C. 7.76 D. 33.83
Solve the problem.A theater has 36 rows with 20 seats in the first row, 23 in the second row, 26 in the third row, and so forth. How many seats are in the theater?
A. 2610 seats B. 5220 seats C. 2664 seats D. 5328 seats
Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 - 20y + 99 = 0
A. x2 + (y - 10)2 = 1 center (0, 10), r = 1 B. x2 + (y - 10)2 = 1 center (0, -10), r = 1 C. (x - 10)2 + y2 = 1 center (10, 0), r = 1 D. x2 + (y + 10)2 = 1 center (0, -10), r = 1