13. Usain Bolt is able to run 300 meters in 51 seconds. How fast is Usain's running per second? *
1 second/6.2 meters
about 6.2 meters/second
about 7.1 meters/second
about 5.9 meters/second
Other:

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?