Choose the answer that shows 5^-15 rewrite using a positive exponent?

Two lines parallel to a third line are parallel to each other. always sometimes or never

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet