Solve the problem.An oil well off the Gulf Coast is leaking, with the leak spreading oil over the surface of the gulf as a circle. At any time t, in minutes, after the beginning of the leak, the radius of the oil slick on the surface is  Find the area A of the oil slick as a function of time.

A. A(r(t)) = 4t2
B. A(r(t)) = 2?t2
C. A(r(t)) = 4?t
D. A(r(t)) = 4?t2


Answer: D

Mathematics

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Fill in the missing form of the expression. ? Radical Form               Rational Exponent Form                                    ------- ?

A.  

?


B. 6.5 



C.  

?


D.  
E.

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Find the power of i.i19

A. -1 B. -i C. 1 D. i

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Solve.Ted drove to his grandparents' house for a holiday weekend. The total distance (one-way) was 294 miles and it took him 8 hours. How fast was Ted driving? (Round answer to the nearest whole number)

A. 235 mph B. 27 mph C. 37 mph D. 24 mph

Mathematics

Given that x = 5 - 3i is a zero of f(x) = x3 - 4x2 - 26x + 204, find all the zeros of f.

A. x = 5 - 3i?, -5  + 3i?, -6 B. x = 5 - 3i?, 5  + 3i?, -3 C. x= 5 - 3i?, 5  + 3i?, -6 D. x = 5 - 3i?, -5  - 3i?, -3 E. x = 5 - 3i?, -5  + 3i?, -3

Mathematics