Solve.If 2 sandwich rolls cost $0.28, how much will 12 rolls cost?
A. $1.68
B. $2.56
C. $0.56
D. $2.68
Answer: A
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Solve the problem.A person burns 6.4 calories per minute while walking. How many calories will be burned if the person walks for 3 hours?
A. 11,520 calories B. 1152 calories C. 192 calories D. 19.2 calories
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Provide an appropriate response.If a, b, and c are real numbers, is this statement true or false? 
A. True B. False
?Let x be a random variable that is normally distributed with the given mean 
and standard deviation 
. Find the probability 
data-wiris-created="true" /> using a symbolic integration utility. Round your answer to four decimal places. ? A. ?0.3085 B. ?0.2525 C. ?0.1908 D. ?0.1223 E. ?0.1695