Solve. Remember to insert units when writing your answer.Four years ago, John planted a tree in his garden. It was 4 ft 5 in. tall. Since then the tree has grown 7 ft 11 in. How tall is the tree now?
A. 11 ft 16 in.
B. 11 ft 4 in.
C. 12 ft 6 in.
D. 12 ft 4 in.
Answer: D
Mathematics
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Refer to the circle graph to solve the problem.Time Required to Install Carpeting in a House (Work Shift = 8 hours) 
In which activity was the least amount of time spent? How many hours did this activity take?
A. Removing old carpet; 
hour
B. Installing new carpet; 3 hours
C. Cleaning up; 
hour
D. Moving furniture; 
hours
Mathematics
For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Mathematics
Write the percent as a fraction or mixed number in simplest form.24
%
A. 
B. 12
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-3
A. 
B. 
C. 
D. 
Mathematics