Solve the problem.A ramp leading to the entrance of a building is inclined upward at an angle of 8°. A suitcase is to be pulled up the ramp by a handle that makes an angle of 31° with the horizontal. How much force must be applied in the direction of the handle so that the component of the force parallel to the ramp is 50 lbs.?
A. 46.03 lbs
B. -7.953 lbs
C. 15.00 lbs
D. 57.76 lbs
Answer: D
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Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin 
cos 
(1 - 2 sin2 x)
A. 
B. 
C. 
D. 
List the symmetries of the given function, if there are any. Otherwise, state "No symmetry".f(x) = 
+ 2
A. x-axis B. Origin C. y-axis D. No symmetry
Sketch the graph from 
to 
.
?
?
A. ?
B. ?
?
C. ?
?
D. ?
?
E. ?
?
Melissa knew that if she flunked mathematics she would be ineligible to play in her team's last five basketball games. When she found out that one of her classmates had been able to change someone else's grade on the school computer, she had this same person change her math grade from F to C. This example of computer abuse was: ?
A. falsifying information B. pirating software C. stealing funds D. modifying the hardware E. all of these choices