which similarity cannot be used to prove that the given triangles are similar a a a a similarity B SAS similarity CSS a similarity or D SSS similarity​

When you answer this can you explain

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Which of the following is the result of expanding the series