Its says i have plus but its still asking me to pay agian help

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

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

The label on a can of lemonade gives the volume as 12 fl 0z or 355ml verify that these two measurements are nearly equivalent