Solve the problem.Mary lives on a corner lot. The neighborhood children have been cutting diagonally across her lawn instead of walking around the yard. If the diagonal distance across the lawn is 
and the longer part of the sidewalk is twice the shorter length, how many feet are the children saving by cutting across the lawn? Round to the nearest foot if necessary.
A. 17 ft
B. 13 ft
C. 10 ft
D. 40 ft
Answer: C
Mathematics
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For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = 
- 2
A. 
B. 
C. 
D. 
Mathematics
Use the data set {-100, -99, -98, ..., -2, -1} to answer the following question(s).The data set has a median of
A. -50.5. B. -49.5. C. -50. D. -51. E. none of these
Mathematics
Express f(x) in complete factored form.f(x) = x2 + 3
A. f(x) = (x + i
)2
B. f(x) = (x + 
)(x + i
)
C. f(x) = (x + 
)2
D. f(x) = (x + i
)(x - i
)
Mathematics
Write an inequality to describe the situation.
x is greater than -7 and less than or equal to 7 A) -7 < x ? 7 B) -7 ? x ? 7 C) -7 < x < 7 D) -7 ? x < 7 E) 7 < x ? -7
Mathematics