Will the answer to this expression be POSITIVE or NEGATIVE?

- 1 - (-6.5)

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

State one method by which you can recognize a perfect square trinomial.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?