The sequence is defined recursively. Write the first four terms.a1 = 1 and an = an-1 - 3 for n ? 2
A. 1, -2, -5, -8
B. 1, 0 , -3 , -6
C. -3, -6, -9, -12
D. 1, 4 , 7 , 10
Answer: A
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. -1.569 B. 1.569 C. 0.120 D. Divergent
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Use a compass and straight edge to copy ?A
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Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 
wall. How many tiles will be needed along the wall?
A. 23 tiles
B. 21
tiles
C. 2
tiles
D. 21
tiles
Mathematics
In the diagram below, angle ? is in standard position. Find 
,
and 
style="vertical-align:middle;" />.
?
?
?
A. 
,
,
B. ?
,
,
C. ??
,
,
D. ?
,
,
E. ?
,
,
Mathematics