The amount of apples Blake harvested went from 500 lb in 2009 to 425 lb in 2010. Find the percent decrease.
a) 18%
b) 15%
c) 5%
d) 25%
Answer: b) 15%
Mathematics
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Determine whether the function is one-to-one. If so, find a formula for the inverse.f(x) = 
x - 3
A. f-1(x) = 5x + 15
B. f-1(x) = 
C. f-1(x) = 5x + 3
D. Not a one-to-one function
Mathematics
Graph.y = 
x
A. 
B. 
C. 
D. 
Mathematics
Answer the question.What is the distance between the points (-6, -4) and (3, 2)?
A. 3
B. 3
C. 45
D. 45
Mathematics
Solve, finding all solutions.sec x = 
(Express your answer in radians.)
A. 
+ 2k? and 
+ 2k?, where k is any integer
B. 
+ 2k? and 
+ 2k?, where k is any integer
C. 
+ 2k? and 
+ 2k?, where k is any integer
D. 2k? and ? + 2k?, where k is any integer
Mathematics