Are the equations 3x=-9 and 4x=-12 equivilant? explain.

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

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Add the fractions and simplify 1/2+ 1/3