What is the value of the expression
4.8-(2.5-6.3)

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Is a positive integer raised to a negative power always positive