Evaluate the following expression.
?
?
A. 82
B. -23
C. 46
D. 41
E. -82
Answer: B
Mathematics
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Find the required ratio.Power (in watts) is defined as the ratio of the work done (in joules) to the time required to do the work. If an engine performs 4340 joules of work in 25 seconds, find the power developed by the engine, correct to the nearest watt.
A. 175 W B. 0 W C. 10 W D. 174 W
Mathematics
Solve the problem by integration.Find the length of the curve 
between x = 0 and x = 2.
A. 
?
B. 
?
C. ?
D. 
?
Mathematics
Do the following represent equal sets?{28, 30, 32, 34, 36} = {30, 32, 34, 36}
A. Yes B. No
Mathematics
Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Find the decrease in sales between month 3 to month 5.
A. $400 B. $2000 C. $1000 D. $4000
Mathematics