A12-inch ruler is divided into three parts. the largest part is three times as long as the smallest. the middle-sized part is twice as long as the smallest. how long is the smallest part?

Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?

I'm terrible at math any here is appreciated.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference