Calculate the velocity of a body of mass 100g having kinetic energy of 100J.

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)