Multiply. Simplify, if necessary.
? 
? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation.
= 
A. 
, - 
B. No solution
C. - 
D. - 
, 
Mathematics
Multiply. Write a mixed numeral for the answer.5 ? 1
? 
A. 1
B. 4
C. 2
D. 2
Mathematics
Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 30 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 25 minutes?
A. 50 mph
B. 
mph
C. 
mph
D. 72 mph
Mathematics