Consider a circle whose size can vary. the circumference of the circle is always 2π times as large as its radius. let r represent the radius of the circle (in feet) and let c represent the circumference of the circle (in feet).

a. write a formula that expresses c in terms of r.
b. use your formula from part (a) to determine the circumference of a circle whose radius is 6 feet feet
c. write a formula that expresses r in terms of c.
d. use your formula from part (c) to determine the radius of a circle whose circumference is 37

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a