Determine whether the improper integral converges or diverges, and find the value of each that converges.
∫^0_-[infinity] xe^02x dx

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

How far could you drive on 50 gallons of gas

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?