Find the mode of the list of data.103 cm, 150 cm, 156 cm, 103 cm, 188 cm, 199 cm, 162 cm
A. 84 cm
B. 103 cm
C. 150 cm
D. 156 cm
Answer: B
Mathematics
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Express the number in decimal notation.6.408 × 10-5
A. 0.00006408 B. 0.000006408 C. 0.0006408 D. -640,800
Mathematics
Add or subtract, as indicated.(x2 - 7xy + 5y2) + (9x2 - 3xy - y2) + (-6x2 + xy - y2)
A. 4x2 - 9xy + 5y2 B. 4x2 - 9xy + 3y2 C. 3x2 - 9xy + 7y2 D. 4x2 - 17xy + 3y2
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
Solve the problem.If s is a distance given by s(t) = t2 + 8t + 10, find the acceleration, a(t).
A. a(t) = 2 B. a(t) = 10 C. a(t) = 2t D. a(t) = 2t + 8
Mathematics