When dealing with roots, we want to factor to see if it's possible






now since we're dealing with square roots, we circle every pair of numbers we see in the final factoring
so..

now for every circled pair, we take only 1 of the 2 circled and bring it outside
anything left uncircled stays inside the root
so..

now simply multiply
Andrea can cut 4 1/2 (or 4.5) inch pieces from her original piece.
18/4 = 4.5
Hope this helps!
68 students* (25/100)= 17 students.
There are 17 students who had perfect attendance for the nine weeks~
Answer: the tip would be 17.26$
Step-by-step explanation: