Solve the problem.Ken and Kara are 33 miles apart on a calm lake paddling toward each other. Ken paddles at 4 miles per hour, while Kara paddles at 7 miles per hour. How long will it take them to meet?
A. 2
hr
B. 3 hr
C. 22 hr
D. 11 hr
Answer: B
Mathematics
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Find the probability.If a fair coin is tossed three times, find the probability of getting heads on the first toss and tails on the second and third tosses.
A. 
B. 
C. 
D. 
Mathematics
tan 11°
A. -226.06 B. 0.19 C. -225.95 D. 0.30
Mathematics
Find the value of r and determine if a correlation exists at the indicated level of significance.
?? = 0.01
A. r = 0.9710; Correlation exists. B. r = 0.9710; Correlation does not exist. C. r = 0.9971; Correlation exists. D. r = 0.9997; Correlation exists.
Mathematics
Solve the exponential equation. Leave the answer in exact form. Do not approximate.4x + 6 = 3
A. x = log 3 - log 4 - log 6
B. x = 
C. x = 
D. x = 
+ log 6
Mathematics