Solve the problem.Nikki is fishing from a bank 10 feet above water level. In this location, the fish tend to feed at 27 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 17 ft
B. -10 ft
C. -17 ft
D. 37 ft
Answer: D
Mathematics
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Let z vary jointly with x and y. Find the constant of variation k. Then, use 
to find z when x = 5 and y = 7.z = 69,020 when x = 58 and y = 119
A. k = 
; z = 350
B. k = 10; z = 350
C. k = 10; z = 120
D. k = 
; z = 120
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Write as the sum, difference, or multiple of logarithms:
=
Mathematics
Determine which purchase has the lower unit price.Brand X: 25 oz for $10.25Brand Y: 20 oz for $7.80
A. Equal value B. Not enough information C. Brand X D. Brand Y
Mathematics
Find f'(x).f(x) = 
A. f'(x) = - 
B. f'(x) = - 
C. f'(x) = 
D. f'(x) = - 
Mathematics