Use a truth table to determine whether the argument is valid.~p ? q
p ? q
A. Valid
B. Invalid
Answer: A
Mathematics
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Write a word description of the set.{January, February, March, April, May, June, July, August, September, October, November, December}
A. days of the year B. seasons of the year C. days of the week D. months of the year
Mathematics
Provide an appropriate response.
Find the area of triangle RST. Round to four significant digits. 
A. 41.29 m2 B. 10.04 m2 C. 49.25 m2 D. 612.8 m2
Mathematics
Use a graphing utility to approximate to two decimal places any solutions on [0, 2?) graphically or numerically.ln x = cos x
A. x = 0.40 B. no solution C. x = 2.22 D. x = 1.30
Mathematics
Factor completely.x2 + 1.8x + 0.81
A. (x - 0.9)2 B. (x + 0.9)(x - 0.9) C. (x + 0.9)2 D. Prime
Mathematics