A pipe is 2 meters long and has inside radius of 5 cm and outside radius of 6 cm Find the volume of metal contained in the pipe to the nearest cubic centimeter

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3