There are six cats and seven dogs in the local animal shelter. four animals are chosen at random to visit a local school to educate the children on the great need for homes for these animals.
what is the probability that at least one cat is chosen?

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.