The width of a rectangle is 2/3 of the length. the perimeter of the rectangle is 15 cm. what is the length, l, of the rectangle. exlplain

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

The triangles are similar. what is the value of x? show your work.

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