Stephanie purchased seven note books for 12.25. What is the cost of per notebook

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

With number 11 ( show how you got the answer)

Type the correct answer in the box. use numerals instead of words. if necessary use / for the fraction bar.