Solve the problem.Jay drove 360 kilometers at the average rate of 72 kilometers per hour. How long did the trip take?
A. 6 hours
B. 4 hours
C. 3 hours
D. 5 hours
Answer: D
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = (x3 + 1)3(x - 1)2x3
A. (x3 + 1)3(x - 1)2x3(3ln(x3 + 1) + 2ln(x - 1) + 3ln x)
B. (x3 + 1)3(x - 1)2x3
C. (x3 + 1)3(x - 1)2x3
D. 
+ 
+ 
Mathematics
Find the reference angle for the given angle.-240°
A. 150° B. 60° C. 30° D. 120°
Mathematics
Graph the system of inequalities.2x + 3y ? 6x - y ? 3y ? 2
A. 
B. 
C. 
D. 
Mathematics
Given the perimeter and either the length or width of a rectangle, find the unknown measurement by using the appropriate formula.The perimeter is 42 feet and the length is 11 feet.
A. 10 feet B. 19 feet C. 20 feet D. 8 feet
Mathematics