attached in the file are three problems.
the first one I already solved , you need to do 2 ,3.
problems are very simple , maximum budget including the fee is 10$.
time limit = 6 hours
9 freelancers are bidding on average $15 for this job
I am a mathematician with Bsc. mathematics with excellent skills in physics concepts, density, mass, volume and area and I assure you that I will deliver the best.