Solve the problem.A tree casts a shadow that is 60 ft long when a 5 ft tall woman casts a shadow of 9 ft. How tall is the tree?
A. 108 ft
B. 45 ft
C. 60 ft
D. 33
ft
Answer: D
Mathematics
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Use the given vectors u, v, w, and z to draw the indicated vector. 
v - w
A. 
B. 
C. 
D. 
Mathematics
Find the slope-intercept equation of the tangent line to the graph of f at the given point.f(x) = 5x2 + x at (-4, 76)
A. y = 10x + 1 B. y = 10x C. y = -39x - 232 D. y = -39x - 80
Mathematics
Find f'(x).f(x) = 
A. f'(x) = - 
B. f'(x) = - 8(x + 2)2
C. f'(x) = 8
D. f'(x) = 
Mathematics
Convert the given number to scientific notation.85,000
A. 8.5 × 105 B. 8.5 × 10-4 C. 8.5 × 10-5 D. 8.5 × 104
Mathematics