Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 6, 
= 9, ? = 
A. 76.4
B. 42.4
C. 68.8
D. 38.2
Answer: D
Mathematics
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Mathematics
Solve graphically. Round solutions to three decimal places, where appropriate.6x2 - 14x + 7 = 0
A. 0.826, 1.708 B. 1.226, 2.108 C. -0.274, 0.608 D. 0.726, 1.608
Mathematics
Simplify.(-16)0
A. 1 B. 16 C. -16 D. -1
Mathematics
Use the appropriate geometric formula from the following list to find the requested measure. 
The area of a rectangle with a length of 8 feet and a width of 4 feet
A. 48 sq ft B. 32 sq ft C. 16 sq ft D. 64 sq ft
Mathematics