a bank offers a 3% annual interest rate for a savings account. Hannah. Hannah puts $6,000 into an account to save for college. How much will be in the account after a year?

Me. i can't figure out this question. give an explanation too. .

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

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.