A person is selected from a group of students. The probability a student is taking both English and history is 0.6. The probability a student is taking history, given he is taking English is 0.8. Find the probability the student is taking English.
What will be an ideal response?
0.75
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Find the second derivative.s = 
+ 8
A. 8t2 B. 16t + 8 C. 8t D. 16t
Simplify the expression.
A. tan(2x - 3y) B. tan(-3y) C. tan 3y D. tan(x - 3y)
Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Interpret 
.
A. The rate of change in volume per unit change in speed while distance is held constant.. B. The rate of change in speed per unit change in volume and distance. C. The rate of change in speed per unit change in distance while volume is held constant. D. The rate of change in speed per unit change in volume while distance is held constant.
Convert the length as indicated. Round the answer to one decimal place.38 feet to meters (feet ? yards ? meters)
A. 34.6 m B. 124.6 m C. 11.6 m D. 12.7 m