Use the order of operations to simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A twin-engined aircraft can fly 768 miles from city A to city B in 3 hours with the wind and make the return trip in 8 hours against the wind. What is the speed of the wind?
A. 112 mph B. 80 mph C. 96 mph D. 64 mph
Find the area of the figure.Each square is 8 ft by 8 ft.
A. 512 ft2 B. 320 ft2 C. 768 ft2 D. 384 ft2
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the child?35 inches
A. Reasonable B. Unreasonable, should be 3.5 inches C. Unreasonable, should be 350 inches D. Unreasonable, should be 0.35 inches