Triangle PQR was transformed to create the congruent triangle STU. Which describes how triangle PQR could have been transformed?

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

What’s the range cuz i can’t find it?