Evaluate.(-8)3

A. 512
B. -522
C. -502
D. -512


Answer: D

Mathematics

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Perform the addition or subtraction and give your answer in Hindu-Arabic form.

A. 22 B. 38 C. 32 D. 28

Mathematics

Suppose a country's population at any time t grows in accordance with the rule

? ? where P denotes the population at any time t, k is a positive constant reflecting the natural growth rate of the population, and I is a constant giving the (constant) rate of immigration into the country. The population of the United States in the year 1980  was 224.5 million. Suppose the natural growth rate is 0.8% annually  and net immigration is allowed at the rate of 0.5 million people/year  until the end of the century. What will be the U.S. population in 2003? ? Round the answer to the nearest tenth of a million, if necessary. ? P=__________ million Fill in the blank(s) with the appropriate word(s).

Mathematics

Graph the parabola.x = (y + 5)2  

A.
 
B.

C.

D.

Mathematics

Find the first 4 terms of the recursively defined sequence.a1 = 6, an + 1 = 2 ? an

A. 6, 12, 24, 48 B. 0, 4, 24, 28 C. 12, 24, 48, 96 D. 6, 24, 28, 32

Mathematics