If you flip a fair coin 4 times what is the probability it comes up heads every time

How do you do this geometry problem

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6