One hamster weighs 300g less than half the weight of the second. If their combined weight is 1950g, how much does each hamster weight?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?