The perimeter would be 13x/2+6
35 juices cups meaning there would be 420 fluid ounces. And 1 gallon =. 128 ounces. So frank would need to purchase approximately 3.28 bottles
If it’s parallel the slope will always be 0
If your doing ireadys the answer is 1/2(a-8 but no negative 8 it’s just original 8