Find the area of the rectangle. Be sure to express area in square units.
9 miles
A. 84 sq mi
B. 81 sq mi
C. 77 sq mi
D. 36 sq mi
Answer: B
Mathematics
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Find the area of the shaded region.
y = -x4
A. 
B. 
C. 2
D. 
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Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 310-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 19.4 sec B. 1.1 sec C. 4.4 sec D. 77.5 sec
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Solve using the quadratic formula.3x(x - 3) = 2
A. 
, 
B. - 
C. 
, 
D. - 
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Find the indicated term of the sequence.an = 
; a5
A. 
B. 
C. 
D. 
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