Do not answer if you don't know. which of the following best describes the life cycle of a star similar to the sun? a. nebula − red dwarf − yellow star − supernova b. nebula − yellow star − red giant − white dwarf c. white dwarf − blue giant − supernova − black hole d. white dwarf − red giant − nebula − white star e. yellow star − red dwarf − black hole − supernova

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.