Sketch the vectors u and w with angle ? between them and sketch the resultant.
= 5, 
= 1, ? = 60°
A. 
B. 
Answer: B
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Provide an appropriate response.Evaluate x2 - x for the value of x satisfying 18(x - 9) + 81 = 18x - 9(18 - x).
A. -8 B. 90 C. 72 D. 10
Refer to the figure and provide an appropriate name for the indicated angles. 
?2 and ?1
A. Complementary Angles B. Alternate exterior angles C. Alternate interior angles D. Supplementary angles
Provide an appropriate response.Solve the system of equations using the addition method: 5x + 2y = 11 x - 2y = -5
A. x = 1, y = 3
B. x = 
, y = 1
C. x = -1, y = 8
D. x = 
, y = 
Solve the problem.A surveyor standing 70 meters from the base of a building measures the angle to the top of the building and finds it to be 39°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 48°. How tall is the radio tower?
A. 7.56 meters B. 11.09 meters C. 7.97 meters D. 21.06 meters