I and 4i
let's say if you have i you can automatically think there is a one in front of it so one term like this (i) could look like this 1i and any number with the same variable or letter are like terms
hope this helps
Estimate of 2854 = 3000
so 3000 times 9 = 27000
It has to obey all the polynomial rules, like 3x^4 or 6x, it has to have the base then the power.
The greatest number of tickets she can buy is 6 tickets