Write the compound statement in symbolic form. Let letters assigned to the simple statements represent English sentences that are not negated. Use the dominance of connectives to show grouping symbols (parentheses) in symbolic statements.I change the station if and only if it's not true that both I like the song and the DJ is entertaining.
A. r ? ~(p ? q)
B. r ? ~(p ? q)
C. r ? (~p ? q)
D. (r ? ~p) ? q
Answer: B
Mathematics
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Find the indicated term by use of the following information. The r + 1 term of the expansion of (a + b)n is given by 
an - r brThe term involving b6 in (a + b)12
A. 110,880a6b6 B. 665,280a6b6 C. 924a6b6 D. 6a6b6
Mathematics
Compute the square root.
A. 24 B. 23 C. 22 D. 25
Mathematics
Simplify the radical.
A. -8 B. 22.627 C. 11.314 D. not a real number
Mathematics
Perform the indicated operations. Express the answer as a single polynomial in standard form.-4x3(2x5 + 11)
A. -8x8 - 44x3 B. -52x3 C. -8x5 - 44 D. -8x8 + 11
Mathematics