What is the sum of the roots of the polynomial?
f(x)= x3-8x2-23x+30

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

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

Theo found the driving distance from glacier national park to yellowstone park to be 448 miles. theo used a map that had a ratio of 5cm/300mi. how many centimeters is the distance on the map? round to the nearest unit if necessary. 4 centimeters 7 centimeters 64 centimeters 90 centimeters