Find the first four terms of the sequence given by the following.
an= 9(2)^-1,
n=1, 2, 3...

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Identify the number as a rational or irrational.explain. 127

Triangle knm is what is true about the sides of knm