Convert the area as indicated.81 square feet to square yards
A. 729 yd2
B. 9 yd2
C. 243 yd2
D. 27 yd2
Answer: B
Mathematics
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Determine how many components the graph has.
A. 4 B. 2 C. 5 D. 1
Mathematics
Solve the compound inequality. Write your answer in interval notation or state that there is no solution.
? 5 or 
? 6
A. 
B. (-?, 0)
C. 
D. 
? (0, ?)
Mathematics
Write out the first five terms of the sequence.an = 2(3n - 1)
A. 4, 8, 12, 16, 20 B. -2, 4, 10, 16, 22 C. 4, 10, 16, 22, 28 D. 2, 5, 8, 11, 14
Mathematics
Solve the problem.The focal length f of a lens with index of refraction n is 
= (n - 1)
where R1and R2 are the radii of curvature of the front and back surfaces of the lens. Express f as a rational expression.
A. f = 
B. f = 
C. f = 
D. f = 
Mathematics