How would a dilation with a scale factor 1 affect the pre-image?

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?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function