fill in the boxes to make the sum of the interior angles of a triangle - 1,4,5,6,8,9 . what does 1,4,5,6,8,9 equal in a interior angle of a triangle ??

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?