Solve.The sediment on the bottom of a creek is normally 20 cm thick, but a recent flood washed away 
of sediment. How thick is it now?
A. 10 cm
B. 190 cm
C. 19.9 cm
D. 19 cm
Answer: D
Mathematics
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Find a quadratic equation with integer coefficients that has the given solution set.{6, -6}
A. x2 + 36 = 0 B. x2 - 12x + 36 = 0 C. x2 + 12x + 36 = 0 D. x2 - 36 = 0
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Use l'Hospital's rule, if applicable, to find the limit.
A. - 
B. 0
C. 1
D. Does not exist
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Find the integral
.
?
A. 
B. 
C. 
D. 
E. 
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Multiply using the special product rules for binomials.(4x2 - 5y)2
A. 16x2 - 40x2y + 25y2 B. 16x4 - 41x2y + 25y2 C. 8x4 - 20x2y + 10y2 D. 16x4 - 40x2y + 25y2
Mathematics