A soccer field is 120 yards long and 60 yards wide. How long is the diagonal of the field?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Can someone pls ! pls answer all. no explanation needed..

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?