What is the constant of proportionality of p=5a

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation