PLEASE HELP ME! URGENT!! What is the DIFFERENCE, in centimeters, between the
Circumference of the Inner circle and the circumference of the
Outer circle? Use 3.1415 for 7.

"how does lena finally defeat the robots? ” this question will best be used to describe the story’s exposition. rising action. climax. falling action.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.