Solve the problem.A rectangular piece of cardboard measuring 30 inches by 36 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. What is the maximum volume of this box? If necessary, round to 2 decimal places.
A. 1155.68 in3
B. 2612.81 in3
C. 148.81 in3
D. 36,381.59 in3
Answer: B
Mathematics
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Solve the problem.A rocket follows a path given by 
where distances are in miles. If the horizontal velocity is given by 
find the magnitude of the velocity when the rocket hits the ground (assume level terrain) if time is in minutes.
A. 340 miles/minute B. 40 miles/minute C. 150 miles/minute D. 20 miles/minute
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 7
B. 6
C. 10
D. 7
Mathematics
Write the expression in lowest terms.
A. - 
B. 
C. - 
D. - 
Mathematics
If 5.2% of the 200 million adult Americans are unemployed, how many adult Americans are unemployed? ? Give your answer to two decimal places, if required. ? __________ million
Fill in the blank(s) with the appropriate word(s).
Mathematics