Which expression is equivalent to - 5 over 3

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

Latricia’ determines that the probability of spinning an even number and then a 3 on the spinner below is 3/4