What is the 20th term of the arithmetic sequence 5, -1, -7, ... ?

-115
-109
-103
-101
Please answer quickly!

Question

What is the 20th term of the arithmetic sequence 5, -1, -7, ... ?

-115
-109
-103
-101 
Please answer quickly!

anonymous · Answer

-109

anonymous · Answer

how did you get that answer? @im_aa

anonymous · Answer

Can you please help me with a couple more? @im_aa

anonymous · Answer

i wrote it out and yes ill help u

anonymous · Answer

What is the 35th term of the arithmetic sequence where a1 = 13 and a17 = -51 ?
 	
	-126
	-123
	-120
	-117
@im_aa

anonymous · Answer

and this one	What is the sum of a 17-term arithmetic sequence where the first term is 7 and the last term is -105?
 	
	-833
	-893
	-913
	-943
@im_aa

anonymous · Answer

so it goes 
13,17,-51

anonymous · Answer

are u sure the second one is right bc none of those mumbers r between 7 and -105

anonymous · Answer

the second one has to be right because its a multiple choice homework assignment. @im_aa

anonymous · Answer

okk

anonymous · Answer

do you know the answer for the first one? @im_aa

anonymous · Answer

umm yea its -126

anonymous · Answer

and the second is -833 but im just guessin on this one

anonymous · Answer

thanks!

anonymous · Answer

yw