Asprinter can run 279 feet in 9 seconds. find the sprinter's unit rate of feet per second.

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Jace didn’t pay his previous month’s credit card bill in full. this month’s bill shows a finance charge of $35.13. jeremy calculates the average daily balance in the new bill to be $2,342.15. what is the monthly percentage rate on the card? a. 1.5% b. 1.82% c. 14.9% d. 18.0%

Ary throws a plastic disc to her friend, which her friend catches six seconds after mary throws it. the table shows the height of the disc at one-second intervals. assuming that the throw represents projectile motion, what are the missing values in the table? a = 5, b = 3 a = 4, b = 0 a = 4, b = 3 a = 5, b = 0