Factor using substitution.t4 - 29t2 + 100
A. (t2 + 4)(t2 + 25)
B. (t - 2)2(t - 5)2
C. t2(t - 4)(t - 25)
D. (t - 2)(t + 2)(t - 5)(t + 5)
Answer: D
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Solve the problem.The function A = A0e-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 800 pounds of the material are placed in the vault, how much time will need to pass for only 588 pounds to remain?
A. 45 years B. 80 years C. 40 years D. 50 years
Use order of operations to simplify the expression.-18 - [(7 - 4) - (-4 - 4)]
A. -29 B. -15 C. -7 D. -21
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter.
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Graph the ellipse.36x2 + y2 - 576x + 2268 = 0
A. 
B. 
C. 
D. 