Jason opens a savings account with $50. Each week after, he deposits $25. In how many weeks will he have
saved $450?
Note: Deposit means he adds money into his account.
Find the number.

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

my guess would be b and d, but i didn’t actually get out the pen and paper. lol

i dont know the answer but here's a picture of a dog