Cristiano is saving money to buy a bike that cost $189. he has saved $99 so far. he plans on savings $10 each week. in how many weeks will he have enough money to buy the bike? use a bar diagram to solve arithmetically. then use an equation to solve algebraica

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?