Plot the point given in polar coordinates.

A.

B.

C.

D.


Answer: A

Mathematics

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Solve the problem.The population size of a culture of bacteria quadruples every day such that its size is modeled by the sequence  where n is the number of the day just beginning. Find the size of the culture at the beginning of the third day and the size of the culture originally.

A. 1440 bacteria; 22 bacteria originally
B. 5760 bacteria; 90 bacteria originally
C. 1440 bacteria; 90 bacteria originally
D. 5760 bacteria; 360 bacteria originally

Mathematics

Evaluate the polynomial for the given value.-2x3 - 6x2 - x + 28; x = -3

A. 103 B. 19 C. 31 D. 21

Mathematics

Calculate.-0.4 ? (-10.7)

A. 11.1 B. 4.28 C. -11.1 D. -10.3

Mathematics

Using the table, set up proportions to solve.The table shows a scale for the cost of sending printed matter to different countries using the services of an undisclosed courier.Is it cheaper to send a 3.2 lb package to Japan or a 4.7 lb package to Canada?

A. 3.2 lb package to Japan B. 4.7 lb package to Canada

Mathematics