Solve. Remember to insert units when writing your answer.Four years ago, John planted a tree in his garden. It was 4 ft 10 in. tall. Since then the tree has grown 4 ft 2 in. How tall is the tree now?
A. 8 ft 0 in.
B. 9 ft 2 in.
C. 9 ft 0 in.
D. 8 ft 12 in.
Answer: C
Mathematics
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Plot the point whose coordinates are given. If appropriate show the "box."(-3, 4, -5)
What will be an ideal response?
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Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
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Determine if the equation is an identity.sin(x + y) cos y - cos(x + y) sin y = sin x
A. Identity B. Not an identity
Mathematics
Use a graph or a table to find the limit.
log7(x)
A. 10 B. -? C. 1 D. ?
Mathematics