The 18th sequence is - 41
1.would be a right triangle because that little square and the lines connected to it form a right angle
It’s first 3 letters a,b, and c
Juan- y=5x+10
Maria- y= 10x+5
In these equations y symbolises all the money they have after the x amount of days so by the x you put the amount of money they put in their bank every day and at the end add the amount of money they put in the bank at the start.
I hope this helps you
(a^1/5)^5
a^1/5.5
a
