Natalia is writing a recursive formula to represent the sequence. 8, 12, 18, 27, what value should she use as the common ratio in the formula? write the answer as a decimal rounded to the tenths place.

Anyone know? will mark brainliest if correct

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.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?