Can someone please answer this statistical/variable question, i really need help and it would mean a lot

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

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle