Apattern of letter arrangements begins with the 3 steps below. first continue the pattern for 3 more steps:

1. a
2.aba
3.abcba
4.
5.
6.

how many letters are in each step above?

how many letters do you think there will be in step 10?

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

In what organelle does photosynthesis take place?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?