Answer:
A ray
Step-by-step explanation:
A ray is a line segment that has only one endpoint. A ray is infinite in one direction. That means that it goes on forever in one direction.
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Answer:
about 330
Step-by-step explanation:
280 rounded is 330 and 30 is already rounded so you would add 30 plus 330
Answer:
20 years
Step-by-step explanation:
9000/ 100= 900 = 10%
900/2= 450
450 x 2= 900
900 x 10= 9000
Now we multiply 10 by 2 because we doubled the value of our 450 into a 900 and now we get 20.