List the simple statements contained in the quotation and assign each one a letter. Then rewrite the compound statement in symbolic form."If the air is mellow and the sky is clear, then birds nest quietly and the night is at peace." (Unattributed)
What will be an ideal response?
p: The air is mellow.
q: The sky is clear.
r: Birds nest quietly.
s: The night is at peace.
(p ? q) ? (r ? s)
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Find the eccentricity e of the hyperbola.x2 - 16y2 = 1
A. 
B. 
C. 4
D. 17
Solve the problem.Subtract (5a5 - 3a4) from the sum of (7a5 - 3a4) and 
A. 5a9 B. 10a5 - 5a4 C. 10a10 - 5a8 D. 5a18
Solve the problem.One hundred rats are being trained to run through a maze and are rewarded when they run through it correctly. Once a rat successfully runs the maze, it continues to run the maze correctly in all subsequent trials. The number of rats that run the maze incorrectly after t attempts is given approximately by 
Find the number of trials required such that only 45% of the rats are running the maze incorrectly. Round to the nearest trial.
A. 6 trials B. 23 trials C. 5 trials D. 27 trials
Solve the system by elimination. 8x + 0 = 9y-2x + 7y = 38
A. {(9, 8)} B. {(9, 9)} C. {(8, 9)} D. ?