Identify which of the following tables shows the number of triangles and the total perimeter for the following pattern. use the table to predict the perimeter for 5 triangles

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?