Petra eats 5 3/5 pies in a pie-eating contest. Paulie eats 3 14/16 pies in the contest. How many more pies did Petra eat?

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.