in a span of 99 years, if 2/3 of time passed is equivalent of 4/5 the time to come, how much time has passed

1. are the triangles similar and if so why? 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

Which expression is equivalent to -5(3x - 6/7)