Frankie is practicing for a 5−kilometer race. His normal time is 31 minutes 14 seconds. Yesterday it took him only 29 minutes 49 seconds.

How much faster was Frankie yesterday than his normal time?

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.)

Select the sequences that are geometric.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?