Solve.
+ 
= 
A. 0
B. -7
C. no solution
D. 5
Answer: C
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Evaluate the derivative at the given value of x.y = 
; x = 3
A. 2
B. 
C. - 
D. - 
Factor out the greatest common factor from the polynomial. Use a positive coefficient on the GCF.16wx - 12wy - 8wz
A. 16w(x - 12y - 8z) B. 4w(4x - 3y - 2z) C. 4w(4x - 12wy - 8wz) D. 4(4wx - 3wy - 2wz)
Solve the problem.To measure the width of a river, a surveyor starts at point A on one bank and walks 74 feet down the river to point B. He then measures the angle ABC to be 
Estimate the width of the river to the nearest foot. See the figure below. C
A74 ftB
A. 29 ft B. 188 ft C. 69 ft D. 27 ft
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