Hello, can somebody me? my brain doesn't seem to be working at the moment haha, it would be much appreciated! : )

the table gives the lowest temperatures ever recorded in five u. s. cities. use this table to answer each question.

lowest recorded temperatures:

honolulu, hi: 53 degrees

huron, sd: -41 degrees

mobile, al: 3 degrees

norfolk, va: -3 degrees

st. louis, mo: -18 degrees

a: what is the difference between the greatest temperature listed and the least temperature listed?

b: how much greater was norfolks lowest temperature than st. louis's lowest temperature?