PLS HELP ME WITH THIS NO LINKS PLS Create four scenarios, one to represent each situation in the chart in #9. Solve for the number of outcomes in each case.
Permutations with repetition
Permutations without repetition
Combinations with repetition
Combinations without repetition

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?