Suzie uses 1/2 to help compare 1/3 to 3/5 and to help in comparing 3/7 with 2/3.Explain how 1/2 helps determine which fraction is greater in each combination.

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.)

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation