Solve the problem.Find the work done by a force of 2 pounds acting in the direction of 42° to the horizontal in moving an object 7 feet from (0, 0) to (7, 0).
A. 20.8 ft-lb
B. 11.2 ft-lb
C. 9.4 ft-lb
D. 10.4 ft-lb
Answer: D
Mathematics
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Evaluate the derivative of the given function for the given value of x.y = 
, x = 36
A. - 
B. 
C. 
D. 
Mathematics
Solve.In Conway, New Hampshire, the temperature dropped 22°F during the night. If the temperature read 6°F before the drop, what did it read after the drop?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1 
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.49x4 + y6
A. (7x2 + y3)(7x2 - y3) B. (7x2 + y3)2 C. prime D. (7x2 - y3)2
Mathematics