Evaluate the expression when a=−15 and b=−5.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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