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
Answer: B
Mathematics
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Find the product.(x2 - 3x + 1)(5x)
A. 5x3 + 16x2 + 5x B. 5x3- 15x2 + 5x C. 5x3 - 14x2 + 2x D. 5x3 - 15x2 - 8x
Mathematics
Perform the operations. 
A. 19 B. 16 C. 144 D. 17
Mathematics
Solve the problem.The result of applying a 50° clockwise rotation followed by a 50° counterclockwise rotation with the same center is
A. a 100° counterclockwise rotation. B. a reflection. C. a 100° clockwise rotation. D. the identity motion. E. none of these
Mathematics
Solve.A storehouse stores 475 different inventory items. 
of these items are perishable. How many of the inventory items are perishable?
A. 97 items B. 96 items C. 95 items D. 94 items
Mathematics