Eight blue and five orange tiles are arranged in an ordered line such that the tile on the left must be blue and every tile must be adjacent to at least one tile of the same color. For example, if an arrangement of four tiles was made, the only possibilities would be or BBOO. How many different arrangements are possible if all thirteen tiles must be used?

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

at first, in 1635, the evening meetings had been just for women . .

what relationship between ideas is shown in the text above?

question 1 options:

location of events

similarity of events

timing of events

examples of an idea

step-by-step explanation:

40 minutes

step-by-step explanation:

add the time and multiply by 2