Please help, no idea what to do

225/100 of last years cost. write each fraction as a decimal and as a percent

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?